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SEMINAR
ON
TONGUE
Submitted by:
Dr. Amit Swarnakar
1st year P.G. student
DEPARTMENT OF ORAL MEDICINE AND
RADIOLOGY
GUIDED BY:-
Dr. SANJAY B. NAYAMATI
Dr. SHWETHA HEGDE
Dr. SALONA KALRA
TRIVENI INSTITUTE OF DENTAL SCIENCES, HOSPITAL &
RESEARCH CENTRE, BODRI, BILASPUR
TONGUE
CONTENTS
 INTRODUCTION
 DEVELOPMENT OF THE TONGUE
 ANATOMY OF THE TONGUE
 PARTS AND SURFACES OF THE TONGUE
 MUSCLES OF THE TONGUE
 VASCULAR SUPPLY OF THE TONGUE
 LYMPHATIC DRAINAGE OF THE TONGUE
 INNERVATION OF THE TONGUE
 HISTOLOGY OF TONGUE
 EXAMINATION OF THE TONGUE
 CLINICAL CONSIDERATION AND DISEASES OF THE TONGUE
 CONCLUSION
 REFERENCES
INTRODUCTION
 The TONGUE is a muscular organ in the human
mouth that manipulate food for mastication and is
used in the act of swallowing.
 A major function of the tongue is the enabling of
speech
 It is of importance in digestive system and is the
primary organ of taste in the gustatory system.
 It is sensitive and kept moist by saliva, and is
richly supplied with nerves and blood vessels.
 The tongue also serves as a natural means of
teeth cleaning.
DEVELOPMENT OF TONGUE
 Starts to develop near the end of 4th week of
embryonic life(intrauterine)
 Contribution from all the pharyngeal arches
which change with time
Arch 1st oral part of tongue(anterior 2/3rd)
2nd arch initial contribution to the surface is lost
3rd arch pharyngeal part of the tongue(posterior
1/3rd)
4th arch epiglottis and adjacent regions
DEVELOPMENT OF TONGUE
 Tongue arises from the ventromedial wall of the
primitive oropharynx from the inner lining of first
four branchial arch
Near the end of 4th week of intrauterine life a
median triangular elevation appears from the 1st
arch on the floor of primordial pharynx it is
called median tongue bud(tuberculum impar)
Then two oval distal tongue buds(lateral swellings)
develop on each side of median tongue bud.
These swelling merges with each other and forms the
mucous membrane of anterior 2/3rd of the tongue
DEVELOPMENT OF TONGUE
Posterior 1/3rd of tongue develop from the cranial half of
hypobranchial eminences which is developed in floor of
primordial pharynx opposite 3rd pharyngeal arch and is
supplied by glossopharyngeal and vagus cranial nerve
Sulcus terminalis separates anterior 2/3rd and posterior
1/3rd of tongue
Connective tissue develop from local
mesenchyme
Tongue muscles develop from occipital myotomes,
which migrates forward dragging with them their nerve
supply hypoglossal cranial nerve
ANATOMY OF TONGUE
Parts and surfaces
of the tongue
Oral part
Apex/tip
Body
Dorsal surface
Ventral surface
Pharyngeal
part(root)
DORSAL
SURFACE
OF
THE
TONGUE
VENTRAL SURFACE OF TONGUE
in strip of tissue that
vertically from the
of the mouth to
urface of the tongue
alled the lingual
um. It tends to limit
movement of the
e.
he either side of
um there is
nence produced by
lingual veins. More
ly there is a fold
Plica Fimbriata.
FLOOR OF THE MOUTH
WHARTON’S DUCT/SUBMANDIBULAR
DUCT OPENING
DUCT OF RIVINUS OR OPENINGS
OF MINOR SUBLINGUAL DUCTS
Salivary Glands of the Tongue
Glands Of Blandin &
Nuhn
Glands Of Von-Ebnor
Gland Of Weber
Gland Of Blandin And Nuhn
 Anterior lingual
glands/ apical
glands
 Seromucous salivary
gland
 Located near the
tip of the tongue on
each side of
frenulum linguae
Glands Of Von Ebner
 Serous salivary gland
 Located adjacent to the moats
surrounding the circumvallate and
foliate papillae
 Secrete lingual lipase which flushes
material from moats to enable the
taste buds to respond rapidly to
changing stimuli
Glands Of Von Ebner
Gland Of Weber
 Lie along the lateral border of tongue
 Pure mucous salivary gland
 Open into the crypts of the lingual tonsils on
the posterior tongue dorsum
 Abscess formed due to accumulation of pus and
fluids in this glands is called Peritonsillar Abscess.
POST SULCAL OR PHARYNGEAL PART
Epiglottis
MEDIAN EPIGLOTTIC
FOLD
LATERAL EPIGLOTTIC
FOLD
LINGUAL TONSILS
PALATINE TONSILS
POST SULCAL OR PHARYNGEAL
PART
• Lies behind the PALATOGLOSSAL
arches
• Forms the anterior wall of the
oropharynx
• Devoid of papillae
• Underlying lymphoid nodules
embedded in the submucosa
collectively called as lingual tonsils
MUSCLES OF TONGUE
EXTRINSIC MUSCLES
GENIOGLOSSUS
HYOGLOSSUS
STYLOGLOSSUS
PALATOGLOSSUS
INTRINSIC MUSCLES
SUPERIOR
LONGITUDINAL
INFERIOR
LONGITUDINAL
TRANSVERSE
VERTICAL
GENIOGLOSSUS
GENIOGLOSSUS
 ORIGIN- Superior genial tubercle of mandible
above the origin of GENIOHYOID muscle
 INSERTION-
 Upper fiber into the tip of the tongue
 Middle fibers into the dorsum of tongue
 Lower fibers into the body of hyoid bone
 Action
 Retracts the tongue
 Depress the central part of tongue
 Pull the posterior part forward
HYOGLOSSUS
 Origin-greater
cornau , front body
of hyoid bone
 Insertion- side of the
tongue between
STYLOGLOSSUS and
INFERIOR
LONGITUDINAL
 action-depress the
tongue, retract the
protruded tongue
CHONDROGLOSSUS
 A part of HYOGLOSSUS muscle
 Separated from it by GENIOGLOSSUS fibers
 Origin-medial side and bone of the lesser
cornau of hyoid bone
 Insertion-intrinsic musculature between
HYOGLOSSUS and GENIOGLOSSUS
 Action- assist the hyoglossus to depress the
tongue
CHONDROGLOSSUS
STYLOGLOSSUS Styloid process
styloglossusInferior
longitudinus
hyoglossus
 Origin-styloid process near its apex
 Insertion-
 Longitudinal part into the inferior
longitudinal muscle
 Oblique part into the hyoglossus
muscle
 Action-draws the tongue upwards
and backwards during swallowing
PALATOGLOSSUS
PALATOGLOSSUS
 More a part of soft palate than the
tongue
 Origin-palatine aponeurosis of soft palate
 Insertion- side of the tongue(oral and
pharyngeal part)
 Action-
Elevates the posterior part of the tongue
Bilaterally approximates the palatoglossus
folds to constrict the isthmus of fauces
INTRINSIC MUSCLES
SUPERIOR LONGITUDINAL
SUPERIOR LONGITUDINAL
 Origin- sub mucous fibrous layer
below the dorsum of the tongue and
lingual septum
 Insertion-extend to the lingual
margin
 Action- turns the apex and side of
the tongue upwards to make the
dorsum concave
INFERIOR LONGITUDINAL
INFERIOR LONGITUDINAL
 Narrow band close to the inferior
surface of the tongue
 Origin-root of the tongue and body
of the hyoid
 Insertion- apex of the tongue
 Action- curls the tip inferiorly and
shortens the tongue
TRANSVERSE MUSCLES
TRANSVERSE MUSCLES
 Origin- median fibrous septum
 Insertion- fibrous tissue at the
margins of the tongue
 Action-narrows and elongates
the tongue
VERTICAL MUSCLES
VERTICAL MUSCLES
 Origin- dorsum surface of the
border of the tongue
 Insertion-ventral surface of the
border of the tongue
 Action-flattens and broadens
the tongue
VASCULAR SUPPLY OF THE TONGUE
 Lingual artery- a branch of external
carotid artery(after passing deep into
the hyoglossus muscle)
 Divides into:
Dorsal lingual artery-posterior part of
the tongue
Deep lingual artery-anterior part of the
tongue
Sublingual artery-supplies the subligual
salivary gland and floor of the mouth
 Dorsal lingual vein- drains the dorsum
and sides of the tongue
 Deep lingual vein- drains the tip of the
tongue and joins the sublingual vein
from sublingual salivary gland
 All the veins directly or indirectly
terminate into INTERNAL JUGULAR VEIN
LYMPHATIC DRAINAGE
 Lymph from the one side(especially from posterior
part)may reach to the both side of nodes of the
neck(in contrast to the blood supply which
remains unilateral)
 Lymph from the tip drains in submental nodes or
directly into the deep cervical nodes.
 Marginal lymphatics from the anterior part tends to
drain into the submandibular nodes ipsilateral or
directly into the inferior deep cervical nodes
 Central lymphatics drain into deep cervical nodes of
either
 Posterior part drains directly and bilaterally into deep
cervical nodes
 Deep cervical lymph node usually involved
jugulo-digastric and jugulo-omohyoid
nodes.
 All the lymph from the tongue is believed
to eventually drain through jugulo-
omohyoid node before reaching the
thoracic duct or right lymphatic duct.
INNERVATION OF THE TONGUE
NERVE SUPPLY
 Motor supply
 All the muscles(extrinsic and extrinsic) of the tongue are
supplied by hypoglossal nerve 12th cranial nerve except
palatoglossal muscle which is supplied by vagus nerve 10th
cranial nerve
 Sensory supply
 Anterior 2/3rd
 General sensation by lingual nerve branch of mandibular nerve(5th
cranial nerve)
 Special sensation by chorda tympani(7th cranial nerve)
 Posterior 1/3rd
 General and special sensation by glossopharyngeal nerve(9th cranial
nerve)
 Posterior most part of the tongue is supplied by vagus
nerve(10th cranial nerve)
HISTOLOGY OF THE TONGUE
A. Mucous membrane of
ventral surface
 It is thin, smooth and
loosely attached to the
underlying connective
tissue.
 Freely mobile and not
raised into papillae
because epithelium is
closely adherent to
underlying muscles by a
thin lamina propria.
 It is covered with non
keratinized stratified
squamous epithelium
HISTOLOGY OF TONGUE
B. Mucous membrane of
dorsal surface
 Firmly adherent to
underlying connective
tissue
 It is raised into small
projections similar to
villi, but known as
papillae
 The stratified
squamous epithelium
covering the dorsal
surface of the tongue
is mostly keratinized.
PAPILLAE OF TONGUE
There are 4
varieties of
papillae-
1.Filiform papillae
2.Fungiform papillae
3.Foliate papillae
4.Circumvallate
papillae
FILIFORM PAPILLAE
 Minute, conical cylindrical
projection which cover
most of the presulcal
dorsal area
 Increase the friction
between food and tongue
 They bear many
secondary papillae which
are more pointed than
those of vallate and
fungiform and covered
with keratin.
FUNGIFORM PAPILLAE
 Located mainly at lingual
margin
 Differ from filiform
papillae because of large
rounded and deep red in
color
 Bears one or more taste
buds on its apical surface
 Mushroom shaped, more
numerous near tip of
tongue
FOLIATE PAPILLAE
Red leaf-like
mucosal ridges
Bilaterally at the
sides of the
tongue near
sulcus terminalis
Bear numerous
taste buds
CIRCUMMVALLATE PAPILLAE
 Large cylindrical papillae
which are 8 to 12 in
numbers
 Forms v-shaped row in
front of sulcus terminalis
on the dorsal surface of
the tongue
 The entire structure is
covered with squamous
epithelium
 Taste buds present inner
side of papillae in trough
region
Taste Buds
 Taste buds are small
ovoid barrel-shaped
intraepithelial organs
 Extends from the basal
lamina to the surface of
epithelium
 Present on the inner wall
of folds of vallate
papillae, tip of the
fungiform papillae,
posterior surface of
epiglottis and lateral
border of the tongue.
STRUCTURE OF TASTE BUDS
1. Neuroepithelial cells/gustatory cells in
taste buds-
Modified columnar elongated cells which
acts as receptors (base is surrounded by
sensory nerve fibres)
Dark stained elongated nuclei
Superficial part of these cells are provided
with short hairs(hairlets or microvilli) which
projects into taste pore(visible at light
microscopic level)
2. Supporting cells-
Elongated columnar cells with dark stained
cytoplasm and light stained nuclei
Forms outer wall of taste bud
3.Basal cells-
stem cells present at the base of taste buds
For renewal of taste cells and supporting
cells
TASTE DISCRIMINATION
 Gustatory receptors detects
four main types of taste
sensation :-
Sweet: tip
Sour: middle
Salty: anterolateral
Bitter: base(posterior)
 However according to other
authors all the areas of
tongue are responsive to all
the taste stimuli.
CLINICAL EXAMINATION OF THE TONGUE
 Inspection
 The tongue is examined for :
 Color
 Swelling
 Ulcer
 Coating
 Size variation
 Distribution of filiform and fungiform papillae
 Crenation
 Fissures
 Atrophy or hypertrophy of papillae
 Frenal attachment
 Deviation of the tongue as patient move out the tongue
CLINICAL CONSIDERATIONS
Injury To Hypoglossal Nerve
 Trauma like fractured mandible may injure the
hypoglossal nerve
 Paralysis or atrophy of one side of tongue
 Tongue deviates to paralyzed side during
protrusion due to action of unaffected genioglossus
muscle
 Others
o Infranuclear lesion-muscular twitching of the affected
half of the tongue observed
o Supranuclear lesion-produce paralysis without
palsy(tongue is stiff, small and moves sluggishly)
PARALYSIS OF GENIOGLOSSUS MUSCLE
 Muscle tends to fall backward, obstructing airway.
 Total relaxation of genioglossus muscle occur during
general anesthesia so endotracheal tube or supraglotticg
airway is inserted to prevent tongue from relapsing
SUBLINGUAL ABSORPTION OF DRUGS
 for quick absorption, pill or spray is put under the tongue
where it dissolves and enter the lingual veins(e.g.
nitroglycerine in angina pectoris)
 The presence of rich network of lymphatics and loose areolar
tissue in the substance of tongue is responsible for enormous
swelling of tongue in acute glossitis.
 The undersurface of the tongue is good site for observation of
jaundice
 Carcinoma of lateral border tongue is quite common
 Carcinoma of posterior 1/3rd of the tongue is more dangerous
due to bilateral lymphatic spread.
 In grand mal epilepsy. The tongue is commonly bitten by the
front incisors during the attack.
CLASSIFICATION OF TONGUE DISORDERS
A)Inherited, congenital and developmental
anomalies:
a) Minor variations:
1.Partial Ankyloglossia
2.Variations in tongue movement
3.Tongue thrusting
4.Fissured tongue
5.Patent Thyroglossal duct and cyst
6.Lingual thyroid
7.Median rhomboidal glossitis
b) Major variations:
1.Cleft, Lobed, Bifurcated And
Tetrafurcared Tongue
2.Aglossia, Hypoplasia And Macroglossia
3.Hamartoma And Desmoids
4.Bald And Depapillated Tongue
5.Papilomatous Changes
B)Disorders of the lingual mucosa:
a)changes in the tongue papillae:
1.geographic tongue
2.coated or hairy tongue
b)Non-keratotic lesions:
1.thrush
2.white sponge nevus
3.vesiculobulous and other desquamative
disorders
c) keratotic white lesions:
1.lichen planus
2. leukoplakia
d) Depapillation and atrophic lesions:
1. Chronic trauma
2. Nutritional deficiency
C) Disorders affecting body of tongue:
1.Amyloidosis
2.Infections
3.Neuromuscular disorders
4.Sleep apnea syndrome
5.TMJ Myofascial dysfunction
6.Vascular disease of body of tongue
7.Angioneurotic edema
D) Tumors of tongue:
Benign
Malignant
PARTIAL ANKYLOGLOSSIA
 Partial Ankyloglossia refers to congenital
shortness of the lingual frenum or a Frenal
attachment that extends nearly tip of tongue,
binding the tongue to floor of mouth and
restricting its extension.
 Clinical features:
 Restricted tongue movements
 Feeding problems
 Speech defects: lisping, inability to pronounce
words such as ta, te, time, water, cat etc.
 Tongue biting
Syndromes associated are:
 Ankyloglossum superioris syndrome
 Trisomy of 13
 Pirrie robin syndrome
 Rainbow syndrome
 Management:
 counselling
 surgery
VARIATION IN TONGUE MOVEMENT
 Ability to curl up the lateral borders of tongue
into a tube is noted in 65% of Caucasians and is
inherited as an autosomal dominant trait.
 Unusual extensibility of tongue, both forward
to touch tip of NOSE(GORLIN sign)and
backward into the pharynx occurs in Ehlers-
Danlos syndrome.
 The tongue in tuberous sclerosis-long and
narrow
 The mobility of tongue is also restricted in
epidermolysis bullosa as a result of fibrous
scars secondary to blister formation.
Tongue Thrusting
 Tongue thrust is a forward placement
of the tongue between the anterior
teeth and against the lower lip
during swallowing, speaking or at
rest.
 It is an infantile swallowing pattern.
 It may be associated with
macroglossia.
And:
1. Proclination of anterior teeth
2. Anterior open bite
3. Bimaxillary protrusion
4. Posterior open bite in case of
lateral tongue thrust
5. Posterior cross bite
Fissured Tongue
 Also called as scrotal tongue, plicated tongue, and
lingua dissecta.
 Characterized by furrows, one extending
anteroposteriorly and others laterally over the
entire anterior surface.
 Patterns: plication, central longitudinal fissuring,
double fissures, transverse fissuring, lateral
longitudinal.
 Bacteria and debris retained in the fissures causing
irritation or burning sensation.
 Syndromes: trisomy 21 (mongolism) ,melkerson
rosenthal syndrome.
 Management: maintenance of oral hygiene.
Patent Thyroglossal Ducts and
Cysts
 Thyroid gland develops from an analogue of
endothelial cells in the midline of the floor of the
pharynx, between the first and second brachial
arches, just posterior to tubercular impar.
 These cells sink into the base of developing
tongue, descent into the neck and proliferate
below the larynx to form thyroid gland.
 Remnant of the epithelium along this path are
referred as Thyroglossal duct.
 Cystic degeneration of it is called as duct cyst.
 In 70% of those with heterotopic thyroid ,the
thyroid gland is contained entirely within the
tongue.
 Enlargement of the lingual thyroid , cystic
changes, or malignancy may be first recognized
due to symptoms of an enlarging tongue,
dysphagia or less commonly, hypoglossal palsy.
 Dysphagia with firm cystic mass in midline of
neck will give clue to the diagnosis.
 The cyst is lined by columnar, respiratory or
stratified squamous epithelium.
 Management: surgically excised or enucleated.
Median Rhomboid Glossitis
 ‘central papillary atrophy of tongue’
 Median rhomboid glossitis (MRG) is a benign uncommon
usually asymptomatic condition of tongue superimposed
by secondary infection usually by candida.
 It is characterized by central papillary atrophy of dorsal
surface of tongue particularly anterior to the
circumvallate papillae.
 The etiopathogeness of MRG is uncertain but it was once
attributed to an embryologic fault caused by failure of
tuberculum impar to unite completely with lateral
processes of the tongue which results in area of smooth,
erythematous oral mucosa on posterior dorsal surface of
tongue with scarcity of papillae.
REFERENCE-
MEDIAN RHOMBOID GLOSSITIS: A PECULIAR TONGUE PATHOLOGY, REPORT OF A CASE
AND REVIEW OF LITERATURE
authors-1Daud Mirza, 2 Ghazal Raza, 3Zubair Ahmed Abassi
International Journal of Pharmacy and Biological Sciences ISSN: 2321-3272 (Print),
ISSN: 2230-7605 (Online) IJPBS | Volume 6 | Issue 4| OCT-DEC| 2016 | 51-53
 A recent development revealed that posterior dorsal
surface of tongue is the main reservoir of candidal
microorganisms in oral cavity. However, there are some
local factors which include trauma or surface variation in
the anatomy which may allow candidal hyphae to
proliferate leading to the development of MRG.
 Studies has shown diverse predisposing factors associated
with median rhomboid glossitis such as denture wearing,
smoking, diabetes mellitus.
 c/f: m>f
Generally asymptomatic
The surface is dusky red and completely
devoid of filiform papillae and usually
smooth.
Kissing lesion-soft palate erythema may be
seen where the lesion of median rhomboid
glossitis touch the palate.
 Management:
antifungal agents,
Long standing cases: cryosurgery, excisional
biopsy
Median Rhomboid Glossitis
Atrophic changes with clear margins
were visible at the tongue dorsum
Regeneration of filiform papillae is seen
after 2 weeks of anti-fungal treatment
CASE OF PARTIAL ATROPHIC TONGUE
Terai H, et al.,Clinical Features of Partial Atrophic Tongue Associated with
Candida. Int J Dentistry Oral Sci. 2016;03(1):177-180
Cleft, Lobed, Bifurcated and Tetrafurcated
Tongue:
 Separation of the dorsal
surface of tongue into 2
or 4 by deep grooves.
 Associated with
orofacial-digital
syndrome, fetal face
syndrome, Meckel's
syndromes.
 Management: regular
cleaning of tongue.
AGLOSSIA,HYPOGLOSSIA,
MICROGLOSSIA
 Aglossia: complete absent of tongue at birth.
 Hypoplasia: small rudimentary tongue.
 c/f:
 difficulty in eating
 Speaking
 High arched palate
 narrow constricted mandible
 Airways problems
 Associated with hypoglossia-hypodactylia
syndrome, hypomelia, Pierre Robin syndrome
AGLOSSIA,HYPOGLOSSIA,
MICROGLOSSIA
MACROGLOSSIA
 LARGE TONGUE,
TONGUE
HYPERTROPHY
 Two broadest
categories
 True macroglossia
 Pseudomacroglossia
 Physical examination
of the oral cavity and
head morphology is
helpful to deduce true
macroglossia from
pseudomacroglossia
MACROGLOSSIA
True macroglossia can be
subdivided into following
categories:
Congenital causes
Idiopathic muscle hypertrophy
Gland hyperplasia
Down syndrome
Beckwith-Wiedemann syndrome
Laband syndrome
MACROGLOSSIA
Acquired causes
Metabolic causes(hyperthyroidism,
cretinism)
Inflammatory causes (syphilis, amebic
dysentery)
Systemic(uremia, myxedema)
Traumatic(surgery, hemorrhage,
intubation injury)
Neoplastic(lingual thyroid, hemangioma)
Infiltrative(amyloidosis, sarcoidosis)
MACROGLOSSIA
Pseudomacroglossia includes any of the
following conditions which force the tongue in
an abnormal position
Habitual posturing of the tongue
Enlarged tonsils and/or adenoids displacing tongue
Low palate and decreased oral cavity volume
displacing tongue
Trans verse, vertical, or anterior/posterior
deficiency in the maxillary or mandibular aches
displacing the tongue
Severe mandibular deficiency (retrognathism)
Neoplasm displacing the tongue
Hypotonia of the tongue
MACROGLOSSIA
 C/F: noisy breathing, drooling of saliva,
difficulty in
 eating, speech and airways problems.
 Recurrent upper respiratory tract
infection.
 Displacement of teeth ,malocclusion
 Crenation of lateral border of tongue
 Management: surgical, orthodontic,
speech therapy
MACROGLOSSIA
HAMARTOMAS AND
DERMOIDS
 The tongue may be enlarged or
distorted by the presence of
variety of tumor like growths of
 developmental origin( hamartomas
neurofibroma, hemangiomas)
 or by epithelial inclusion cysts(
dermoids, branchial cleft cysts).
BALD OR DEPAPILLATED
TONGUES
 An erythematous , edematous
and painful tongue that appears
smooth because of loss of filiform
papillae and sometime fungiform
papillae secondary to certain
nutritional deficiency .
 Atrophy or loss of papillae may
be caused by a congenital
anomaly ,or develop as a
secondary features
BALD OR DEPAPILLATED
TONGUES
 Local causes:
 Eosinophilic granuloma
 Traumatic injuries-jagged teeth , rough
margins of restorations and inadvertent
contact of tongue with dental
medicaments such as eugenol.
 Allergic stomatitis: monomer of denture,
mouthwash, chewing gum, and lipstick.
 Facial hemiatrophy
BALD OR DEPAPILLATED TONGUES
 Systemic causes:
 Iron deficiency anemia: first appears at
tip,lateral border of tongue with loss of filiform
papilla. In extreme cases , the entire dorsum
becomes smooth and glazed. Very painful either
pale or fiery red.
 Plummer Vinson syndrome: siderophenic anemia,
atrophic glossitis, angular chelitis, generalized
atrophic oral mucosa, oral ulceration and
secondary candidiasis
 Pernicious anemia: atrophy of filiform
&fungiform papilae.
 Niacin deficiency:
BALD OR DEPAPILLATED TONGUES
 Folic acid deficiency: tongue is fiery red and
atrophy of filiform & fungiform papillae. Tongue is
swollen and small cracks may appear on dorsal
surface.
 Scleroderma: tongue shrinks, losing its mobility
and papillary pattern. Color of the tongue changes
to a vivid appearance due to circulatory
disturbances. In the end stages, the tongue lies as
a stiff, reduced body in the floor of mouth.
 Dermatomyositis: in early stages, tongue is
markedly swollen and later becomes harder. In
the late phase, tongue is atrophic.
BALD OR DEPAPILLATED TONGUES
 Diabetes: central papillary atrophy of the dorsum in
which low flat papillae are noticed just ant. to row of
circumvallate papillae.
 Syphilis: Depapillation of tongue usually occurs in
secondary and tertiary syphilis. Single or multiple
mucous patch on the tongue. A more diffuse, chronic,
non-ulcerating, irregular induration, with an
asymmetrical pattern of grooves and atrophic field
covering the entire dorsum.
 Zoster infection: numerous vesicles occur on ventral
surface of tongue.
 Atrophic gastritis:
Peripheral vascular disease
 decreased nutrition of the lingual papillae as a
result of vascular changes affecting the sub
papillary dorsal capillary plexus.
 Using fluorescence-enhanced capillary
microscopy in humans have documented
variations in the fungiform papillae associated
with age, sex, and the number and shape of
terminal vessels in the papillae.
 Infarcts of the tongue may be associated with
shrinkage of the affected side of tongue and
atrophic changes in the overlying mucosa.
BALD OR DEPAPILLATED
TONGUES
BALD OR DEPAPILLATED TONGUES
BALD OR DEPAPILLATED
TONGUES
Deficiency:
 Vitamin-A
 Vit-B1
 Vit-B2
 Pantothenic acid
 Vit-B6(niacin)
 Vit-B2,B6,B12,niacin
 Folic acid,vit-B6,zinc
Symptoms:
 Poor sense of taste
 Furrowed tongue
 Purplish or magenta tongue
 Beefy enlarged tongue
 Scarlet red tongue
 Burning sore tongue
 Ulcer on tongue
PAPILLOMATOUS CHANGES
 In several congenital disorders the surface of tongue is
covered with multiple papilloma. When extensive this
abnormalities is known as pebbly tongue.
 Lesions of this type is associated with congenital lingual
Lymphangioma, neurofibromatosis and the Anderson-
Fabry syndrome and Meckel’s syndrome.
 Management:
PAPILLOMATOUS CHANGES
GEOGRAPHIC TONGUE
 Also called as BENIGN MIGRATORY
GLOSITIS,WANDERING RASH, GLOSSITIS AREATA
EXFOLIATIVA, and ERYTHEMA MIGRANS
 It refers to irregularly shaped reddish areas of
Depapillation and thinning of the dorsal epithelium
which is surrounded by a narrow zone of
regenerating papillae that are whiter than the
surrounding tongue surface.
 Etiology:
 Hypersensitive patient: h/o-asthma, hay fever, eczema.
 Other factors: immunological reaction, emotional stress ,
hereditary factors, nutritional deficiencies.
GEOGRAPHIC TONGUE
 C/F-
 common in young & middle age.
 Female predilection
 Commonly on dorsal surface & lateral border
 Asymptomatic but patient may complain of
burning sensation, stinging, pain
 Initially appears as a small erythematous,
nonindurated, atrophic lesion, bordered by a
slightly elevated distinct rim that varies from gray
to white to light yellow.
 Loss of filiform papillae pink to red smooth shiny
surface , fungiform papillae persist in
desqaumated areas as small elevated red dots.
GEOGRAPHIC TONGUE
 The condition may persist for weeks to
months and then regress spontaneously
only to occur at later date.
 The lesion is not always restricted to
tongue and similar irregular or circinate
lesions occur elsewhere in the oral
cavity and are called as ectopic
geographic tongue or erythema circinate
migrans or annulus migrans.
GEOGRAPHIC TONGUE
 Diagnosis:
 clinically
 Biopsy shows loss of filiform papillae with hyper
parakeratosis and acanthosis.
 D/D-
 Psoriasis
 Reiter’s syndrome: skin, ocular, urethral lesion +
 Lichen planus: absence of raised whitish yellow rim.
 Use of strong mouth wash-h/o
 Anemic condition: hematological study and absence of
raised yellowish white border.
GEOGRAPHIC TONGUE
 Management:
 For control of burning-topical local
anesthetic agents like lidocaine,
dyclonine hydrochloride, or
diphenhydramine can be given.
 Topical therapy: topical corticosteroids
and topical application of salicylic acid
and tretinoin (retinoic acid)
 Psychological assurance
HAIRY TONGUE
 Lingua Villosa, Lingua Nigra,
Black Hairy Tongue
 An overgrowth of filiform papillae
on the dorsum of tongue , giving the
tongue a superficial resemblance as
that of hairiness.
 There is marked accumulation of
keratin on the filiform
papillae.(defective desquamation of
cells in filiform papillae)
HAIRY TONGUE
 Etiology:
 Fungal and bacterial overgrowth:
 Use of certain drugs: sodium perborate, sodium
peroxide, and antibiotics like penicillin and
Aureomycin
 Poor oral hygiene
 After surgery
 Lowered ph-blocks the normal desquamation of
epithelial cells covering the filiform papillae
HAIRY TONGUE
 In Debilitated, dehydrated, terminally ill patients
can lead to very thick, leathery coatings on the
tongue that are referred to as earthy or encrusted
tongue.
 C/F:
 papillae may reach a length of 2cm which
occasionally brush the palate and may produce
gagging or bad taste.
 The hyperplastic papillae then become pigmented
by the colonization of Chromogenic Bacteria,
which can impart a variety of colors ranging from
green to brown to black to yellow.
HAIRY TONGUE
This gives it a coated or hairy
appearance and retains debris and
pigments from substances from food,
tobacco, smoke, medicines.
 Management:
Maintenance of oral hygiene
Elimination of predisposing factors
Topical keratolytic application-
podophyllum in acetone or alcohol
suspension
THRUSH
 Acute pseudomembranous candidiasis
 Often appears as pearly white , pinhead size flecks
scattered over the dorsal surface.
 Etiology:
 overgrowth of Candida albicans in patient taking
antibiotics, immunosuppressant drugs, or having a
disease that supresses the immunity.
 C/F:
 f> m
 Prodromal symptoms like rapid onset of bad taste,
discomfort on spicy food, burning sensation
 White patches are easily wiped out
THRUSH
d/d-
Plaque form of lichen planus
Leukoplakia
Gangrenous stomatitis
Chemical burn
THRUSH
THRUSH
 Management:
 Topical application of clotrimazole
cream-2-3 times daily for 3-4
weeks.
 Ketoconazole 200-400 mg od for 2
weeks
 Fluconazole 50-100mg od for 2-3
weeks
White Sponge Nevus
 Congenital anomaly in which the surface
of tongue as well as other parts of oral
mucosa are involved by white spongy
plaques without significant
hyperkeratosis.
 c/f-
children are most commonly affected
Friction may strip superficial keratotic
area leaving zone of normal looking
epithelium or raw area.
 No treatment
White sponge nevus
VASICULOBULLOUS AND OTHER
DESQUAMATING DISORDERS
 Desquamating disorders are often
mistakenly identified as white lesions
because coalescence of whitish
desquamating epithelium with areas of
papillary atrophy and scarring.
 Patches of regenerating papillae may also
be interspersed, giving red and white
areas in a marble like pattern.
LICHEN PLANUS
 Oral lichen planus is defined as a common
chronic immunological mucocutaneous
disorder that varied in appearance from
keratotic to erythematous and ulcerative.
 Lacelike , erosive and bullous variety of
this disorder may affect the tongue in
addition to the cheeks, lips, and gingiva.
 Etiology: unknown
 Immune system has primary role in
development of this disease.
LICHEN PLANUS
 Other factors: stress, habits, hypertension,
diabetes
 c/f-
 oral lesions are characterized by radiating white
and gray velvety thread like papules in linear,
angular or reticular form arrangement.
 Tiny white elevated dots rays present at the
intersection of white lines, called as Wickham’s
striae.
 In some cases superimposed candida
infection
LICHEN PLANUS
LICHEN PLANUS
d/d-
Leukoplakia
Candidiasis
Drug induced reaction
Geographic tongue
 Management:
Removal of cause
Steroids –topical and systemic
Topical application of antifungal agents
Retinoids
Psychotherapy
LEUKOPLAKIA
 It is whitish patch or plaque that can not be
characterized, clinically or pathologically,
as any other disease and which is not
associated with any other physical or
chemical causative agent except the use of
tobacco.
 It can occur anywhere in the oral cavity but
tongue is one of the commonest site.
 If it occurs on tongue ,it is called as ‘chronic
superficial glossitis’
LEUKOPLAKIA
 Etiological factors are classically known
as 6 S….smoking, syphilis, sharp tooth,
sepsis, sprit, and spices.
 Alcohol-facilitates the entry of
carcinogen into exposed cells and thus
alters the oral epithelium and its
metabolism.
 Vitamin deficiency
LEUKOPLAKIA
LEUKOPLAKIA
 c/f- confined to ant. 2/3rd of
tongue, dorsum and lateral border.
 The affected area show milky-white
patches with fissure and cracks.
 Some patient may complain of
burning sensation
LEUKOPLAKIA
 Management:
 Stop habits
 Conservative treatment-
 Use of beta carotenes, lycopene,
L-ascarbic acid, vit.E, retinoic
acid,
 Surgical treatment: cold knife
surgical excision, laser surgery
PIGMENTATION
 Tongue may exhibit various patterns of racial
melanin pigmentation.
 Jaundice may be apparent on ventral mucosa
 Exogenous pigmentation of the filiform papillae of
the normal and coated or hairy tongue is very
common and results from microbial growth and
metabolic products, food debris, and dyes from
candy, beverages, and mouth rinses.
 Pigmentation by chemotherapeutic agent,
doxorubicin hydrochloride
PIGMENTATION
 Extravasation of red cells around
lingual varicocities may give a
patchy, bluish red discoloration,
usually on ant. Ventral surface of
tongue.
PIGMENTATION
Actas Dermosifiliogr 2011;102:739-40 - Vol. 102 Num.9 DOI: 10.1016/j.adengl.2011.11.010
Pigmentation of the Fungiform Papillae of the Tongue: A Report of 2 Cases
Pigmentación de las papilas fungiformes linguales. A propósito de dos casos
J. Marcoval, J. Notario, S. Martín-Sala, I. Figueras
ULCERS AND INFECTIOUS DISEASES
 Quite severe ulcers, which are more in nature
of lacerations and contusions, are produced by
sudden biting trauma, either during epileptic
seizure or as a result of a sudden blow to the
jaw while tongue lies b/w upper and lower
teeth.
 Rough surface of restorations and jugged,
broken cusps rapidly cause ulceration of the
tongue.
 Lateral margins and ventral surface of tongue
are also frequently damaged by contact with
rapidly revolving burs, discs, or other dental
equipment.
ULCERS AND INFECTIOUS DISEASES
 Ulcers on lingual frenum in neonates with natal lower
incisors are referred as Riga’s ulcer or Riga-Fede
disease.
 Shallow but persistent tongue ulcers , especially along
the posterior ventral surfaces, are common in patients
with lichen planus, various nutritional deficiencies,
and hematological problems.
 The lateral margins and tip of tongue are frequently
involved in severe episode of recurrent aphthous
ulcers.
ULCERS AND INFECTIOUS
DISEASES
 Vesicobullous disorders also may involve lingual
mucosa.
 Tuberculosis-post. ventral surface
 The ant. 1/3rd of the tongue may also be site of an
extra genital chancre in primary syphilis.
 In primary herpes simplex gingivostomatitis, the
dorsum, ventral and lateral margin may be ulcerated.
 In infections with erythrogenic, toxin producing
Streptococcus pyogens (scarlet fever), the sign of
strawberry tongue.
ULCERS AND INFECTIOUS
DISEASES
ULCERS AND INFECTIOUS
DISEASES
ULCERS AND INFECTIOUS
DISEASES
MANAGEMENT
 The most effective treatment to get rid of tongue ulcer
is to increase your body's immunity power by taking
Vitamin B complex tablets and vitamins tablets.
 Glycerin: Rinsing your mouth and tongue with glycerin
on the affected parts of tongue is the best way to
alleviate the pain caused by ulcers under tongue and
throat.
Rinsing your mouth with glycerin also controls the
wounds or lesions further spreading and expanding
inside the mouth and throat.
 Topical application of lignocaine
SUPERFICIAL VASCULAR CHANGES
 Lingual varicosities are evident as prominent purplish
blue spots, nodules, and edges, usually on the
anterior ventral surface of the tongue and around the
submandibular-sublingual gland orifices.
 But they are rarely symptomatic
 They represent a normal age change
 Petechial hemorrhages and telangiectasia's also can
demonstrated on ventral surface
 Hemangiomas are relatively common on tongue.
SUPERFICIAL VASCULAR
CHANGES
AMYLOIDOSIS
 Involvement of the tongue is
described in both the primary and
secondary forms of amyloidosis.
 The characteristic fibrous glycoprotein
of this disease is deposited in the
submucosa as well as in deeper
muscular layers of tongue.
 Generalized enlargement of the
tongue(macroglossia) and fungating
swelling may result.
AMYLOIDOSIS
NEUROMUSCULAR DISORDERS
 Neuromuscular disorders of central, peripheral,
or muscular origin may produce symptom of
dysphagia and choking as well as disordered
mastication and speech problems.
 Repetitive , uncontrolled movement of the
tongue, head, and jaws, Depapillation, burning
sensations and traumatic ulcers of tongue are
common in buccolingaul-facial dyskinesia,
parkinsonism, and the tardive dyskinesia.
 Weakness of tongue can occur in polymyositis,
multiple sclerosis and Duchene's muscular
dystrophy.
NEUROMUSCULAR
DISORDERS
Damage to hypoglossal nerve,
leads to hypoglossal palsy.
If bilateral, the tongue can not
be extended
If unilateral, the tongue
deviates to the unaffected side
when extended.
Sleep Apnea Syndrome
 Sleep apnea is a disorder characterized by a
reduction or pause of breathing (airflow) during
sleep.
 It is common among adults becoming more common
in children
 Obstructive sleep apnea is caused by the collapse of
the airway during sleep.
 Obstructive sleep apnea is diagnosed and evaluated
by history, physical examination and
polysomnography (sleep study).
 One of the most common signs of obstructive sleep
apnea is loud and chronic (ongoing) snoring.
Sleep Apnea Syndrome
 Sleep apnea is treated with lifestyle
changes, mouthpieces, breathing devices,
and surgery.
 Medicines typically aren't used to treat
the condition.
 The mouthpiece will adjust your lower
jaw and your tongue to help keep your
airways open while you sleep.
Vascular disease of the body of
the tongue
 The lingual artery is very susceptible
to the development of
atherosclerotic changes.
 The extent of the lingual
atherosclerosis increases with age,
but age does not bring ischemic
complications secondary to
atherosclerosis.
 Infarcts of tongue are fairly rare
Angioneurotic Edema
 Angioneurotic edema is one form of
acute anaphylactic reaction
representing an immediate
hypersensitivity response allied to
urticaria, allergic rhinitis, and asthma.
 Antigenic stimuli are-respiratory
allergens, food such as shellfish,
chocolate, nuts, various drugs and
occasionally cold and physical trauma to
tongue.
Angioneurotic Edema
 Medications used to treat
angioedema include:
 Antihistamines
 Anti-inflammatory medicines
(corticosteroids)
 Epinephrine shots (people with a
history of severe symptoms can carry
these with them)
 Inhaler medicines that help open up
the airways
Benign Tumors Of Tongue
 A benign mouth tumor is an abnormal
growth located in the mouth or
tongue.
 The growths are not cancerous and
very rarely spread to other body
parts.
 The condition is most common in
adults over the age of 60.
 The risk of developing an abnormal
growth within the mouth is greater
increased in smokers.
Benign tumors of tongue
 c/f:
bleeding lump –
Mouth dentures don't fit
difficulties swallowing
lump in any part of the mouth
poor pronunciation
sore lump - mouth
Benign Tumors Of Tongue
 Benign tumors of tongue are as:
 Fibroma
 Papilloma
 Hemangioma
 Lymphangioma
 Granular cell myoblastoma
 Lipoma
Fibroma
 A fibroma is a benign, tumor-like growth
made up mostly of fibrous or connective
tissue.
 Tumor-like growths such as fibroma
develop when uncontrolled cell growth
occurs for an unknown reason, or as a
result of injury or local irritation.
 Fibromas can form anywhere in the body
and usually do not require treatment or
removal.
 Usually painless
 Surgical exicision- management
Fibroma
Papilloma
 Papilloma is a general medical term
for a tumor of the skin or mucous
membrane with finger-like
projections.
 Papilloma are either pedunculated or
sessile growth on any surface of oral
mucous membrane.
 Multiple papilloma are occur in
Cowden's syndrome, down’s
syndrome.
 Management-Surgical excision.
Papilloma
Hemangioma
 Hemangioma is a benign tumor of
dilated blood vessels.
 It is also known as port-wine stain,
strawberry hemangioma, and Salmon
patch.
 They are characterized by hyperplasia
of blood vessels, usually veins and
capillaries, in a focal area of
submucosal connective tissue.
Hemangioma
Hemangioma
 Surgical or invasive treatment of oral
hemangiomas has evolved.
 Complete surgical excision of these
lesions offers the best chance of
cure, but, often, because of the
extent of these benign lesions,
significant sacrifice of tissue is
necessary.
 For example, lesions of the tongue
may require near-total GLOSSECTOMY
Lymphangioma
 Lymphangioma are benign hamartomatous tumors of
the lymphatic channels. They are thought to be
developmental malformations arising from
sequestration of lymphatic tissue that do not
communicate with the rest of the lymphatic
channels
 Oral lesions are most frequently found on the
tongue.
 Treatment: injection of sclerosing solutions,
cryosurgery, intravascular remobilization with silicon
spheres.
Lymphangioma
Granular Cell Myoblastoma
 Granular cell tumor, is a relatively uncommon
benign neoplasm, which is more commonly
found in females in the 4th to 6th decades of
life even though it can occur in all ages.
 Most of the intraoral lesions occur on the
tongue, usually on the lateral aspect.
 Granular cell tumors are slow-growing,
painless tumors with no known cause.
 They may start in nerve cells.
 They occur mostly on the top of the tongue.
Granular Cell Myoblastoma
Lipoma
 Lipoma is a rare benign tumor of
mesenchymal origin which infiltrates
adjacent muscle and tend to recur after
excision
 It is prevalently found in the cheek and
tongue, but also in the lip, gingival and floor
of the mouth.
 Particularly, lipoma accounts for 0.3% of all
lingual tumors
Lipoma
Malignant Tumors Of Tongue
 Cancer of the tongue is a malignant tumor that
begins as a small lump, a firm white patch, or a
sore (ulcer) on the tongue.
 If untreated, the tumor may spread throughout the
tongue to the floor of the mouth and to the gum
(jaws).
 As a tumor grows, it becomes more life threatening
by spreading (metastasizing) to lymph nodes in the
neck and later to the rest of the body
 Eg: squamous cell carcinoma,
Squamous Cell Carcinoma
 It is most common oral carcinoma with 60%
cases arising from the ant. 2/3rd of the
tongue and reminder from base of tongue.
 Etiology: physical trauma, alcohol, tobacco,
smoking, candidiasis, syphilis, sepsis,
chronic dental trauma and chronic
superficial glossitis.
 About 80% of all people who develop tongue
cancer are smokers.
Squamous Cell Carcinoma
Squamous Cell Carcinoma
Squamous Cell Carcinoma
 c/f:
 middle and later decades, m>f ,
 Painless mass or ulcer later becomes painful
 Excessive salivation
 Offensive smell in mouth occurs due to bacterial
stomatitis.
 Sore throat
 Immobility of tongue-causes difficulty in speech.
 Hoarseness of voice and dysphagia
 It spread by infiltration and invasion
Squamous Cell Carcinoma
 Management:
 Early carcinoma of tongue(T1 and
small T2) responds equally well to
surgical excision or by radiation.
 T1 and T2 with no evidence of lymph
node metastasis, surgical treatment
is usually restricted to partial
glossectomy.
 If it is T2 or T3 without node
involvement, prophylactic neck
dissection is advised.
Squamous Cell Carcinoma
 Treatment of carcinoma of the ant. 2/3rd of
tongue with evidence of node involvement
may include radical neck dissection, partial
mandibulectomy, and intraoral
dissection(commando operation) in addition
to glossectomy
 Better cure rates obtained with combined
chemotherapy(cis-platinum and bleomycin)-
surgery radiation approaches, use of neutron
irradiation, immunotherapy, and trans oral
laser resection for accessible early stage
carcinoma.
CONCLUSION
REFERANCE
 B. D. CHAURASIA (2006) HUMAN ANATOMY, REGIONAL AND
APPLIED, DISSECTION
 ORBAN’S ORAL HISTOLOGY & EMBRYOLOGY 12TH EDITION
 FRANK H NETTER, MD ATLAS OF HUMAN ANATOMY
 NEELIMA ANIL MALIK, TEXTBOOK OF ORAL AND MAXILLOFACIAL
SURGERY
 SHAFER’S TEXTBOOK OF ORAL PATHOLOGY 7TH EDITION
 HENRY GRAY(2004) GRAY’S ANATOMY
 Terai H, et al.,Clinical Features of Partial Atrophic Tongue
Associated with Candida. Int J Dentistry Oral Sci.
2016;03(1):177-180
 J. Marcoval, J. Notario, S. Martín-Sala, I. Figueras
Pigmentation of the Fungiform Papillae of the Tongue: A Report
of 2 Cases Actas Dermosifiliogr 2011;102(9):739-40
 INTERNET SOURCE..
THANKYOU

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Tongue:anatomy and clinical aspects

  • 1. SEMINAR ON TONGUE Submitted by: Dr. Amit Swarnakar 1st year P.G. student DEPARTMENT OF ORAL MEDICINE AND RADIOLOGY GUIDED BY:- Dr. SANJAY B. NAYAMATI Dr. SHWETHA HEGDE Dr. SALONA KALRA TRIVENI INSTITUTE OF DENTAL SCIENCES, HOSPITAL & RESEARCH CENTRE, BODRI, BILASPUR
  • 3. CONTENTS  INTRODUCTION  DEVELOPMENT OF THE TONGUE  ANATOMY OF THE TONGUE  PARTS AND SURFACES OF THE TONGUE  MUSCLES OF THE TONGUE  VASCULAR SUPPLY OF THE TONGUE  LYMPHATIC DRAINAGE OF THE TONGUE  INNERVATION OF THE TONGUE  HISTOLOGY OF TONGUE  EXAMINATION OF THE TONGUE  CLINICAL CONSIDERATION AND DISEASES OF THE TONGUE  CONCLUSION  REFERENCES
  • 4. INTRODUCTION  The TONGUE is a muscular organ in the human mouth that manipulate food for mastication and is used in the act of swallowing.  A major function of the tongue is the enabling of speech  It is of importance in digestive system and is the primary organ of taste in the gustatory system.  It is sensitive and kept moist by saliva, and is richly supplied with nerves and blood vessels.  The tongue also serves as a natural means of teeth cleaning.
  • 5. DEVELOPMENT OF TONGUE  Starts to develop near the end of 4th week of embryonic life(intrauterine)  Contribution from all the pharyngeal arches which change with time Arch 1st oral part of tongue(anterior 2/3rd) 2nd arch initial contribution to the surface is lost 3rd arch pharyngeal part of the tongue(posterior 1/3rd) 4th arch epiglottis and adjacent regions
  • 6.
  • 7. DEVELOPMENT OF TONGUE  Tongue arises from the ventromedial wall of the primitive oropharynx from the inner lining of first four branchial arch Near the end of 4th week of intrauterine life a median triangular elevation appears from the 1st arch on the floor of primordial pharynx it is called median tongue bud(tuberculum impar) Then two oval distal tongue buds(lateral swellings) develop on each side of median tongue bud. These swelling merges with each other and forms the mucous membrane of anterior 2/3rd of the tongue
  • 8.
  • 9. DEVELOPMENT OF TONGUE Posterior 1/3rd of tongue develop from the cranial half of hypobranchial eminences which is developed in floor of primordial pharynx opposite 3rd pharyngeal arch and is supplied by glossopharyngeal and vagus cranial nerve Sulcus terminalis separates anterior 2/3rd and posterior 1/3rd of tongue Connective tissue develop from local mesenchyme Tongue muscles develop from occipital myotomes, which migrates forward dragging with them their nerve supply hypoglossal cranial nerve
  • 10. ANATOMY OF TONGUE Parts and surfaces of the tongue Oral part Apex/tip Body Dorsal surface Ventral surface Pharyngeal part(root)
  • 12. VENTRAL SURFACE OF TONGUE in strip of tissue that vertically from the of the mouth to urface of the tongue alled the lingual um. It tends to limit movement of the e. he either side of um there is nence produced by lingual veins. More ly there is a fold Plica Fimbriata.
  • 13. FLOOR OF THE MOUTH WHARTON’S DUCT/SUBMANDIBULAR DUCT OPENING DUCT OF RIVINUS OR OPENINGS OF MINOR SUBLINGUAL DUCTS
  • 14. Salivary Glands of the Tongue Glands Of Blandin & Nuhn Glands Of Von-Ebnor Gland Of Weber
  • 15. Gland Of Blandin And Nuhn  Anterior lingual glands/ apical glands  Seromucous salivary gland  Located near the tip of the tongue on each side of frenulum linguae
  • 16. Glands Of Von Ebner  Serous salivary gland  Located adjacent to the moats surrounding the circumvallate and foliate papillae  Secrete lingual lipase which flushes material from moats to enable the taste buds to respond rapidly to changing stimuli
  • 17. Glands Of Von Ebner
  • 18. Gland Of Weber  Lie along the lateral border of tongue  Pure mucous salivary gland  Open into the crypts of the lingual tonsils on the posterior tongue dorsum  Abscess formed due to accumulation of pus and fluids in this glands is called Peritonsillar Abscess.
  • 19. POST SULCAL OR PHARYNGEAL PART Epiglottis MEDIAN EPIGLOTTIC FOLD LATERAL EPIGLOTTIC FOLD LINGUAL TONSILS PALATINE TONSILS
  • 20. POST SULCAL OR PHARYNGEAL PART • Lies behind the PALATOGLOSSAL arches • Forms the anterior wall of the oropharynx • Devoid of papillae • Underlying lymphoid nodules embedded in the submucosa collectively called as lingual tonsils
  • 21. MUSCLES OF TONGUE EXTRINSIC MUSCLES GENIOGLOSSUS HYOGLOSSUS STYLOGLOSSUS PALATOGLOSSUS INTRINSIC MUSCLES SUPERIOR LONGITUDINAL INFERIOR LONGITUDINAL TRANSVERSE VERTICAL
  • 22.
  • 24. GENIOGLOSSUS  ORIGIN- Superior genial tubercle of mandible above the origin of GENIOHYOID muscle  INSERTION-  Upper fiber into the tip of the tongue  Middle fibers into the dorsum of tongue  Lower fibers into the body of hyoid bone  Action  Retracts the tongue  Depress the central part of tongue  Pull the posterior part forward
  • 25. HYOGLOSSUS  Origin-greater cornau , front body of hyoid bone  Insertion- side of the tongue between STYLOGLOSSUS and INFERIOR LONGITUDINAL  action-depress the tongue, retract the protruded tongue
  • 26. CHONDROGLOSSUS  A part of HYOGLOSSUS muscle  Separated from it by GENIOGLOSSUS fibers  Origin-medial side and bone of the lesser cornau of hyoid bone  Insertion-intrinsic musculature between HYOGLOSSUS and GENIOGLOSSUS  Action- assist the hyoglossus to depress the tongue
  • 29.  Origin-styloid process near its apex  Insertion-  Longitudinal part into the inferior longitudinal muscle  Oblique part into the hyoglossus muscle  Action-draws the tongue upwards and backwards during swallowing
  • 31. PALATOGLOSSUS  More a part of soft palate than the tongue  Origin-palatine aponeurosis of soft palate  Insertion- side of the tongue(oral and pharyngeal part)  Action- Elevates the posterior part of the tongue Bilaterally approximates the palatoglossus folds to constrict the isthmus of fauces
  • 34. SUPERIOR LONGITUDINAL  Origin- sub mucous fibrous layer below the dorsum of the tongue and lingual septum  Insertion-extend to the lingual margin  Action- turns the apex and side of the tongue upwards to make the dorsum concave
  • 36. INFERIOR LONGITUDINAL  Narrow band close to the inferior surface of the tongue  Origin-root of the tongue and body of the hyoid  Insertion- apex of the tongue  Action- curls the tip inferiorly and shortens the tongue
  • 38. TRANSVERSE MUSCLES  Origin- median fibrous septum  Insertion- fibrous tissue at the margins of the tongue  Action-narrows and elongates the tongue
  • 40. VERTICAL MUSCLES  Origin- dorsum surface of the border of the tongue  Insertion-ventral surface of the border of the tongue  Action-flattens and broadens the tongue
  • 41. VASCULAR SUPPLY OF THE TONGUE
  • 42.  Lingual artery- a branch of external carotid artery(after passing deep into the hyoglossus muscle)  Divides into: Dorsal lingual artery-posterior part of the tongue Deep lingual artery-anterior part of the tongue Sublingual artery-supplies the subligual salivary gland and floor of the mouth
  • 43.
  • 44.  Dorsal lingual vein- drains the dorsum and sides of the tongue  Deep lingual vein- drains the tip of the tongue and joins the sublingual vein from sublingual salivary gland  All the veins directly or indirectly terminate into INTERNAL JUGULAR VEIN
  • 46.  Lymph from the one side(especially from posterior part)may reach to the both side of nodes of the neck(in contrast to the blood supply which remains unilateral)  Lymph from the tip drains in submental nodes or directly into the deep cervical nodes.  Marginal lymphatics from the anterior part tends to drain into the submandibular nodes ipsilateral or directly into the inferior deep cervical nodes  Central lymphatics drain into deep cervical nodes of either  Posterior part drains directly and bilaterally into deep cervical nodes
  • 47.  Deep cervical lymph node usually involved jugulo-digastric and jugulo-omohyoid nodes.  All the lymph from the tongue is believed to eventually drain through jugulo- omohyoid node before reaching the thoracic duct or right lymphatic duct.
  • 49. NERVE SUPPLY  Motor supply  All the muscles(extrinsic and extrinsic) of the tongue are supplied by hypoglossal nerve 12th cranial nerve except palatoglossal muscle which is supplied by vagus nerve 10th cranial nerve  Sensory supply  Anterior 2/3rd  General sensation by lingual nerve branch of mandibular nerve(5th cranial nerve)  Special sensation by chorda tympani(7th cranial nerve)  Posterior 1/3rd  General and special sensation by glossopharyngeal nerve(9th cranial nerve)  Posterior most part of the tongue is supplied by vagus nerve(10th cranial nerve)
  • 50. HISTOLOGY OF THE TONGUE A. Mucous membrane of ventral surface  It is thin, smooth and loosely attached to the underlying connective tissue.  Freely mobile and not raised into papillae because epithelium is closely adherent to underlying muscles by a thin lamina propria.  It is covered with non keratinized stratified squamous epithelium
  • 51. HISTOLOGY OF TONGUE B. Mucous membrane of dorsal surface  Firmly adherent to underlying connective tissue  It is raised into small projections similar to villi, but known as papillae  The stratified squamous epithelium covering the dorsal surface of the tongue is mostly keratinized.
  • 52. PAPILLAE OF TONGUE There are 4 varieties of papillae- 1.Filiform papillae 2.Fungiform papillae 3.Foliate papillae 4.Circumvallate papillae
  • 53. FILIFORM PAPILLAE  Minute, conical cylindrical projection which cover most of the presulcal dorsal area  Increase the friction between food and tongue  They bear many secondary papillae which are more pointed than those of vallate and fungiform and covered with keratin.
  • 54. FUNGIFORM PAPILLAE  Located mainly at lingual margin  Differ from filiform papillae because of large rounded and deep red in color  Bears one or more taste buds on its apical surface  Mushroom shaped, more numerous near tip of tongue
  • 55. FOLIATE PAPILLAE Red leaf-like mucosal ridges Bilaterally at the sides of the tongue near sulcus terminalis Bear numerous taste buds
  • 56. CIRCUMMVALLATE PAPILLAE  Large cylindrical papillae which are 8 to 12 in numbers  Forms v-shaped row in front of sulcus terminalis on the dorsal surface of the tongue  The entire structure is covered with squamous epithelium  Taste buds present inner side of papillae in trough region
  • 57. Taste Buds  Taste buds are small ovoid barrel-shaped intraepithelial organs  Extends from the basal lamina to the surface of epithelium  Present on the inner wall of folds of vallate papillae, tip of the fungiform papillae, posterior surface of epiglottis and lateral border of the tongue.
  • 59. 1. Neuroepithelial cells/gustatory cells in taste buds- Modified columnar elongated cells which acts as receptors (base is surrounded by sensory nerve fibres) Dark stained elongated nuclei Superficial part of these cells are provided with short hairs(hairlets or microvilli) which projects into taste pore(visible at light microscopic level)
  • 60. 2. Supporting cells- Elongated columnar cells with dark stained cytoplasm and light stained nuclei Forms outer wall of taste bud 3.Basal cells- stem cells present at the base of taste buds For renewal of taste cells and supporting cells
  • 61.
  • 62. TASTE DISCRIMINATION  Gustatory receptors detects four main types of taste sensation :- Sweet: tip Sour: middle Salty: anterolateral Bitter: base(posterior)  However according to other authors all the areas of tongue are responsive to all the taste stimuli.
  • 63. CLINICAL EXAMINATION OF THE TONGUE  Inspection  The tongue is examined for :  Color  Swelling  Ulcer  Coating  Size variation  Distribution of filiform and fungiform papillae  Crenation  Fissures  Atrophy or hypertrophy of papillae  Frenal attachment  Deviation of the tongue as patient move out the tongue
  • 64. CLINICAL CONSIDERATIONS Injury To Hypoglossal Nerve  Trauma like fractured mandible may injure the hypoglossal nerve  Paralysis or atrophy of one side of tongue  Tongue deviates to paralyzed side during protrusion due to action of unaffected genioglossus muscle  Others o Infranuclear lesion-muscular twitching of the affected half of the tongue observed o Supranuclear lesion-produce paralysis without palsy(tongue is stiff, small and moves sluggishly)
  • 65. PARALYSIS OF GENIOGLOSSUS MUSCLE  Muscle tends to fall backward, obstructing airway.  Total relaxation of genioglossus muscle occur during general anesthesia so endotracheal tube or supraglotticg airway is inserted to prevent tongue from relapsing SUBLINGUAL ABSORPTION OF DRUGS  for quick absorption, pill or spray is put under the tongue where it dissolves and enter the lingual veins(e.g. nitroglycerine in angina pectoris)
  • 66.  The presence of rich network of lymphatics and loose areolar tissue in the substance of tongue is responsible for enormous swelling of tongue in acute glossitis.  The undersurface of the tongue is good site for observation of jaundice  Carcinoma of lateral border tongue is quite common  Carcinoma of posterior 1/3rd of the tongue is more dangerous due to bilateral lymphatic spread.  In grand mal epilepsy. The tongue is commonly bitten by the front incisors during the attack.
  • 67. CLASSIFICATION OF TONGUE DISORDERS A)Inherited, congenital and developmental anomalies: a) Minor variations: 1.Partial Ankyloglossia 2.Variations in tongue movement 3.Tongue thrusting 4.Fissured tongue 5.Patent Thyroglossal duct and cyst 6.Lingual thyroid 7.Median rhomboidal glossitis
  • 68. b) Major variations: 1.Cleft, Lobed, Bifurcated And Tetrafurcared Tongue 2.Aglossia, Hypoplasia And Macroglossia 3.Hamartoma And Desmoids 4.Bald And Depapillated Tongue 5.Papilomatous Changes
  • 69. B)Disorders of the lingual mucosa: a)changes in the tongue papillae: 1.geographic tongue 2.coated or hairy tongue b)Non-keratotic lesions: 1.thrush 2.white sponge nevus 3.vesiculobulous and other desquamative disorders
  • 70. c) keratotic white lesions: 1.lichen planus 2. leukoplakia d) Depapillation and atrophic lesions: 1. Chronic trauma 2. Nutritional deficiency
  • 71. C) Disorders affecting body of tongue: 1.Amyloidosis 2.Infections 3.Neuromuscular disorders 4.Sleep apnea syndrome 5.TMJ Myofascial dysfunction 6.Vascular disease of body of tongue 7.Angioneurotic edema
  • 72. D) Tumors of tongue: Benign Malignant
  • 73. PARTIAL ANKYLOGLOSSIA  Partial Ankyloglossia refers to congenital shortness of the lingual frenum or a Frenal attachment that extends nearly tip of tongue, binding the tongue to floor of mouth and restricting its extension.  Clinical features:  Restricted tongue movements  Feeding problems  Speech defects: lisping, inability to pronounce words such as ta, te, time, water, cat etc.  Tongue biting
  • 74.
  • 75. Syndromes associated are:  Ankyloglossum superioris syndrome  Trisomy of 13  Pirrie robin syndrome  Rainbow syndrome  Management:  counselling  surgery
  • 76. VARIATION IN TONGUE MOVEMENT  Ability to curl up the lateral borders of tongue into a tube is noted in 65% of Caucasians and is inherited as an autosomal dominant trait.  Unusual extensibility of tongue, both forward to touch tip of NOSE(GORLIN sign)and backward into the pharynx occurs in Ehlers- Danlos syndrome.  The tongue in tuberous sclerosis-long and narrow  The mobility of tongue is also restricted in epidermolysis bullosa as a result of fibrous scars secondary to blister formation.
  • 77. Tongue Thrusting  Tongue thrust is a forward placement of the tongue between the anterior teeth and against the lower lip during swallowing, speaking or at rest.  It is an infantile swallowing pattern.  It may be associated with macroglossia.
  • 78. And: 1. Proclination of anterior teeth 2. Anterior open bite 3. Bimaxillary protrusion 4. Posterior open bite in case of lateral tongue thrust 5. Posterior cross bite
  • 79. Fissured Tongue  Also called as scrotal tongue, plicated tongue, and lingua dissecta.  Characterized by furrows, one extending anteroposteriorly and others laterally over the entire anterior surface.  Patterns: plication, central longitudinal fissuring, double fissures, transverse fissuring, lateral longitudinal.  Bacteria and debris retained in the fissures causing irritation or burning sensation.
  • 80.  Syndromes: trisomy 21 (mongolism) ,melkerson rosenthal syndrome.  Management: maintenance of oral hygiene.
  • 81. Patent Thyroglossal Ducts and Cysts  Thyroid gland develops from an analogue of endothelial cells in the midline of the floor of the pharynx, between the first and second brachial arches, just posterior to tubercular impar.  These cells sink into the base of developing tongue, descent into the neck and proliferate below the larynx to form thyroid gland.  Remnant of the epithelium along this path are referred as Thyroglossal duct.  Cystic degeneration of it is called as duct cyst.
  • 82.  In 70% of those with heterotopic thyroid ,the thyroid gland is contained entirely within the tongue.  Enlargement of the lingual thyroid , cystic changes, or malignancy may be first recognized due to symptoms of an enlarging tongue, dysphagia or less commonly, hypoglossal palsy.  Dysphagia with firm cystic mass in midline of neck will give clue to the diagnosis.  The cyst is lined by columnar, respiratory or stratified squamous epithelium.  Management: surgically excised or enucleated.
  • 83. Median Rhomboid Glossitis  ‘central papillary atrophy of tongue’  Median rhomboid glossitis (MRG) is a benign uncommon usually asymptomatic condition of tongue superimposed by secondary infection usually by candida.  It is characterized by central papillary atrophy of dorsal surface of tongue particularly anterior to the circumvallate papillae.  The etiopathogeness of MRG is uncertain but it was once attributed to an embryologic fault caused by failure of tuberculum impar to unite completely with lateral processes of the tongue which results in area of smooth, erythematous oral mucosa on posterior dorsal surface of tongue with scarcity of papillae.
  • 84. REFERENCE- MEDIAN RHOMBOID GLOSSITIS: A PECULIAR TONGUE PATHOLOGY, REPORT OF A CASE AND REVIEW OF LITERATURE authors-1Daud Mirza, 2 Ghazal Raza, 3Zubair Ahmed Abassi International Journal of Pharmacy and Biological Sciences ISSN: 2321-3272 (Print), ISSN: 2230-7605 (Online) IJPBS | Volume 6 | Issue 4| OCT-DEC| 2016 | 51-53  A recent development revealed that posterior dorsal surface of tongue is the main reservoir of candidal microorganisms in oral cavity. However, there are some local factors which include trauma or surface variation in the anatomy which may allow candidal hyphae to proliferate leading to the development of MRG.  Studies has shown diverse predisposing factors associated with median rhomboid glossitis such as denture wearing, smoking, diabetes mellitus.
  • 85.  c/f: m>f Generally asymptomatic The surface is dusky red and completely devoid of filiform papillae and usually smooth. Kissing lesion-soft palate erythema may be seen where the lesion of median rhomboid glossitis touch the palate.  Management: antifungal agents, Long standing cases: cryosurgery, excisional biopsy
  • 86. Median Rhomboid Glossitis Atrophic changes with clear margins were visible at the tongue dorsum Regeneration of filiform papillae is seen after 2 weeks of anti-fungal treatment CASE OF PARTIAL ATROPHIC TONGUE Terai H, et al.,Clinical Features of Partial Atrophic Tongue Associated with Candida. Int J Dentistry Oral Sci. 2016;03(1):177-180
  • 87. Cleft, Lobed, Bifurcated and Tetrafurcated Tongue:  Separation of the dorsal surface of tongue into 2 or 4 by deep grooves.  Associated with orofacial-digital syndrome, fetal face syndrome, Meckel's syndromes.  Management: regular cleaning of tongue.
  • 88. AGLOSSIA,HYPOGLOSSIA, MICROGLOSSIA  Aglossia: complete absent of tongue at birth.  Hypoplasia: small rudimentary tongue.  c/f:  difficulty in eating  Speaking  High arched palate  narrow constricted mandible  Airways problems  Associated with hypoglossia-hypodactylia syndrome, hypomelia, Pierre Robin syndrome
  • 90. MACROGLOSSIA  LARGE TONGUE, TONGUE HYPERTROPHY  Two broadest categories  True macroglossia  Pseudomacroglossia  Physical examination of the oral cavity and head morphology is helpful to deduce true macroglossia from pseudomacroglossia
  • 91. MACROGLOSSIA True macroglossia can be subdivided into following categories: Congenital causes Idiopathic muscle hypertrophy Gland hyperplasia Down syndrome Beckwith-Wiedemann syndrome Laband syndrome
  • 92. MACROGLOSSIA Acquired causes Metabolic causes(hyperthyroidism, cretinism) Inflammatory causes (syphilis, amebic dysentery) Systemic(uremia, myxedema) Traumatic(surgery, hemorrhage, intubation injury) Neoplastic(lingual thyroid, hemangioma) Infiltrative(amyloidosis, sarcoidosis)
  • 93. MACROGLOSSIA Pseudomacroglossia includes any of the following conditions which force the tongue in an abnormal position Habitual posturing of the tongue Enlarged tonsils and/or adenoids displacing tongue Low palate and decreased oral cavity volume displacing tongue Trans verse, vertical, or anterior/posterior deficiency in the maxillary or mandibular aches displacing the tongue Severe mandibular deficiency (retrognathism) Neoplasm displacing the tongue Hypotonia of the tongue
  • 94. MACROGLOSSIA  C/F: noisy breathing, drooling of saliva, difficulty in  eating, speech and airways problems.  Recurrent upper respiratory tract infection.  Displacement of teeth ,malocclusion  Crenation of lateral border of tongue  Management: surgical, orthodontic, speech therapy
  • 96. HAMARTOMAS AND DERMOIDS  The tongue may be enlarged or distorted by the presence of variety of tumor like growths of  developmental origin( hamartomas neurofibroma, hemangiomas)  or by epithelial inclusion cysts( dermoids, branchial cleft cysts).
  • 97. BALD OR DEPAPILLATED TONGUES  An erythematous , edematous and painful tongue that appears smooth because of loss of filiform papillae and sometime fungiform papillae secondary to certain nutritional deficiency .  Atrophy or loss of papillae may be caused by a congenital anomaly ,or develop as a secondary features
  • 98. BALD OR DEPAPILLATED TONGUES  Local causes:  Eosinophilic granuloma  Traumatic injuries-jagged teeth , rough margins of restorations and inadvertent contact of tongue with dental medicaments such as eugenol.  Allergic stomatitis: monomer of denture, mouthwash, chewing gum, and lipstick.  Facial hemiatrophy
  • 99. BALD OR DEPAPILLATED TONGUES  Systemic causes:  Iron deficiency anemia: first appears at tip,lateral border of tongue with loss of filiform papilla. In extreme cases , the entire dorsum becomes smooth and glazed. Very painful either pale or fiery red.  Plummer Vinson syndrome: siderophenic anemia, atrophic glossitis, angular chelitis, generalized atrophic oral mucosa, oral ulceration and secondary candidiasis  Pernicious anemia: atrophy of filiform &fungiform papilae.  Niacin deficiency:
  • 100. BALD OR DEPAPILLATED TONGUES  Folic acid deficiency: tongue is fiery red and atrophy of filiform & fungiform papillae. Tongue is swollen and small cracks may appear on dorsal surface.  Scleroderma: tongue shrinks, losing its mobility and papillary pattern. Color of the tongue changes to a vivid appearance due to circulatory disturbances. In the end stages, the tongue lies as a stiff, reduced body in the floor of mouth.  Dermatomyositis: in early stages, tongue is markedly swollen and later becomes harder. In the late phase, tongue is atrophic.
  • 101. BALD OR DEPAPILLATED TONGUES  Diabetes: central papillary atrophy of the dorsum in which low flat papillae are noticed just ant. to row of circumvallate papillae.  Syphilis: Depapillation of tongue usually occurs in secondary and tertiary syphilis. Single or multiple mucous patch on the tongue. A more diffuse, chronic, non-ulcerating, irregular induration, with an asymmetrical pattern of grooves and atrophic field covering the entire dorsum.  Zoster infection: numerous vesicles occur on ventral surface of tongue.  Atrophic gastritis:
  • 102. Peripheral vascular disease  decreased nutrition of the lingual papillae as a result of vascular changes affecting the sub papillary dorsal capillary plexus.  Using fluorescence-enhanced capillary microscopy in humans have documented variations in the fungiform papillae associated with age, sex, and the number and shape of terminal vessels in the papillae.  Infarcts of the tongue may be associated with shrinkage of the affected side of tongue and atrophic changes in the overlying mucosa.
  • 105. BALD OR DEPAPILLATED TONGUES Deficiency:  Vitamin-A  Vit-B1  Vit-B2  Pantothenic acid  Vit-B6(niacin)  Vit-B2,B6,B12,niacin  Folic acid,vit-B6,zinc Symptoms:  Poor sense of taste  Furrowed tongue  Purplish or magenta tongue  Beefy enlarged tongue  Scarlet red tongue  Burning sore tongue  Ulcer on tongue
  • 106. PAPILLOMATOUS CHANGES  In several congenital disorders the surface of tongue is covered with multiple papilloma. When extensive this abnormalities is known as pebbly tongue.  Lesions of this type is associated with congenital lingual Lymphangioma, neurofibromatosis and the Anderson- Fabry syndrome and Meckel’s syndrome.  Management:
  • 108. GEOGRAPHIC TONGUE  Also called as BENIGN MIGRATORY GLOSITIS,WANDERING RASH, GLOSSITIS AREATA EXFOLIATIVA, and ERYTHEMA MIGRANS  It refers to irregularly shaped reddish areas of Depapillation and thinning of the dorsal epithelium which is surrounded by a narrow zone of regenerating papillae that are whiter than the surrounding tongue surface.  Etiology:  Hypersensitive patient: h/o-asthma, hay fever, eczema.  Other factors: immunological reaction, emotional stress , hereditary factors, nutritional deficiencies.
  • 109. GEOGRAPHIC TONGUE  C/F-  common in young & middle age.  Female predilection  Commonly on dorsal surface & lateral border  Asymptomatic but patient may complain of burning sensation, stinging, pain  Initially appears as a small erythematous, nonindurated, atrophic lesion, bordered by a slightly elevated distinct rim that varies from gray to white to light yellow.  Loss of filiform papillae pink to red smooth shiny surface , fungiform papillae persist in desqaumated areas as small elevated red dots.
  • 110.
  • 111. GEOGRAPHIC TONGUE  The condition may persist for weeks to months and then regress spontaneously only to occur at later date.  The lesion is not always restricted to tongue and similar irregular or circinate lesions occur elsewhere in the oral cavity and are called as ectopic geographic tongue or erythema circinate migrans or annulus migrans.
  • 112. GEOGRAPHIC TONGUE  Diagnosis:  clinically  Biopsy shows loss of filiform papillae with hyper parakeratosis and acanthosis.  D/D-  Psoriasis  Reiter’s syndrome: skin, ocular, urethral lesion +  Lichen planus: absence of raised whitish yellow rim.  Use of strong mouth wash-h/o  Anemic condition: hematological study and absence of raised yellowish white border.
  • 113. GEOGRAPHIC TONGUE  Management:  For control of burning-topical local anesthetic agents like lidocaine, dyclonine hydrochloride, or diphenhydramine can be given.  Topical therapy: topical corticosteroids and topical application of salicylic acid and tretinoin (retinoic acid)  Psychological assurance
  • 114. HAIRY TONGUE  Lingua Villosa, Lingua Nigra, Black Hairy Tongue  An overgrowth of filiform papillae on the dorsum of tongue , giving the tongue a superficial resemblance as that of hairiness.  There is marked accumulation of keratin on the filiform papillae.(defective desquamation of cells in filiform papillae)
  • 115.
  • 116. HAIRY TONGUE  Etiology:  Fungal and bacterial overgrowth:  Use of certain drugs: sodium perborate, sodium peroxide, and antibiotics like penicillin and Aureomycin  Poor oral hygiene  After surgery  Lowered ph-blocks the normal desquamation of epithelial cells covering the filiform papillae
  • 117. HAIRY TONGUE  In Debilitated, dehydrated, terminally ill patients can lead to very thick, leathery coatings on the tongue that are referred to as earthy or encrusted tongue.  C/F:  papillae may reach a length of 2cm which occasionally brush the palate and may produce gagging or bad taste.  The hyperplastic papillae then become pigmented by the colonization of Chromogenic Bacteria, which can impart a variety of colors ranging from green to brown to black to yellow.
  • 118. HAIRY TONGUE This gives it a coated or hairy appearance and retains debris and pigments from substances from food, tobacco, smoke, medicines.  Management: Maintenance of oral hygiene Elimination of predisposing factors Topical keratolytic application- podophyllum in acetone or alcohol suspension
  • 119. THRUSH  Acute pseudomembranous candidiasis  Often appears as pearly white , pinhead size flecks scattered over the dorsal surface.  Etiology:  overgrowth of Candida albicans in patient taking antibiotics, immunosuppressant drugs, or having a disease that supresses the immunity.  C/F:  f> m  Prodromal symptoms like rapid onset of bad taste, discomfort on spicy food, burning sensation  White patches are easily wiped out
  • 120. THRUSH d/d- Plaque form of lichen planus Leukoplakia Gangrenous stomatitis Chemical burn
  • 121. THRUSH
  • 122. THRUSH  Management:  Topical application of clotrimazole cream-2-3 times daily for 3-4 weeks.  Ketoconazole 200-400 mg od for 2 weeks  Fluconazole 50-100mg od for 2-3 weeks
  • 123. White Sponge Nevus  Congenital anomaly in which the surface of tongue as well as other parts of oral mucosa are involved by white spongy plaques without significant hyperkeratosis.  c/f- children are most commonly affected Friction may strip superficial keratotic area leaving zone of normal looking epithelium or raw area.  No treatment
  • 125. VASICULOBULLOUS AND OTHER DESQUAMATING DISORDERS  Desquamating disorders are often mistakenly identified as white lesions because coalescence of whitish desquamating epithelium with areas of papillary atrophy and scarring.  Patches of regenerating papillae may also be interspersed, giving red and white areas in a marble like pattern.
  • 126. LICHEN PLANUS  Oral lichen planus is defined as a common chronic immunological mucocutaneous disorder that varied in appearance from keratotic to erythematous and ulcerative.  Lacelike , erosive and bullous variety of this disorder may affect the tongue in addition to the cheeks, lips, and gingiva.  Etiology: unknown  Immune system has primary role in development of this disease.
  • 127. LICHEN PLANUS  Other factors: stress, habits, hypertension, diabetes  c/f-  oral lesions are characterized by radiating white and gray velvety thread like papules in linear, angular or reticular form arrangement.  Tiny white elevated dots rays present at the intersection of white lines, called as Wickham’s striae.  In some cases superimposed candida infection
  • 130.  Management: Removal of cause Steroids –topical and systemic Topical application of antifungal agents Retinoids Psychotherapy
  • 131. LEUKOPLAKIA  It is whitish patch or plaque that can not be characterized, clinically or pathologically, as any other disease and which is not associated with any other physical or chemical causative agent except the use of tobacco.  It can occur anywhere in the oral cavity but tongue is one of the commonest site.  If it occurs on tongue ,it is called as ‘chronic superficial glossitis’
  • 132. LEUKOPLAKIA  Etiological factors are classically known as 6 S….smoking, syphilis, sharp tooth, sepsis, sprit, and spices.  Alcohol-facilitates the entry of carcinogen into exposed cells and thus alters the oral epithelium and its metabolism.  Vitamin deficiency
  • 134. LEUKOPLAKIA  c/f- confined to ant. 2/3rd of tongue, dorsum and lateral border.  The affected area show milky-white patches with fissure and cracks.  Some patient may complain of burning sensation
  • 135. LEUKOPLAKIA  Management:  Stop habits  Conservative treatment-  Use of beta carotenes, lycopene, L-ascarbic acid, vit.E, retinoic acid,  Surgical treatment: cold knife surgical excision, laser surgery
  • 136. PIGMENTATION  Tongue may exhibit various patterns of racial melanin pigmentation.  Jaundice may be apparent on ventral mucosa  Exogenous pigmentation of the filiform papillae of the normal and coated or hairy tongue is very common and results from microbial growth and metabolic products, food debris, and dyes from candy, beverages, and mouth rinses.  Pigmentation by chemotherapeutic agent, doxorubicin hydrochloride
  • 137. PIGMENTATION  Extravasation of red cells around lingual varicocities may give a patchy, bluish red discoloration, usually on ant. Ventral surface of tongue.
  • 138. PIGMENTATION Actas Dermosifiliogr 2011;102:739-40 - Vol. 102 Num.9 DOI: 10.1016/j.adengl.2011.11.010 Pigmentation of the Fungiform Papillae of the Tongue: A Report of 2 Cases Pigmentación de las papilas fungiformes linguales. A propósito de dos casos J. Marcoval, J. Notario, S. Martín-Sala, I. Figueras
  • 139. ULCERS AND INFECTIOUS DISEASES  Quite severe ulcers, which are more in nature of lacerations and contusions, are produced by sudden biting trauma, either during epileptic seizure or as a result of a sudden blow to the jaw while tongue lies b/w upper and lower teeth.  Rough surface of restorations and jugged, broken cusps rapidly cause ulceration of the tongue.  Lateral margins and ventral surface of tongue are also frequently damaged by contact with rapidly revolving burs, discs, or other dental equipment.
  • 140. ULCERS AND INFECTIOUS DISEASES  Ulcers on lingual frenum in neonates with natal lower incisors are referred as Riga’s ulcer or Riga-Fede disease.  Shallow but persistent tongue ulcers , especially along the posterior ventral surfaces, are common in patients with lichen planus, various nutritional deficiencies, and hematological problems.  The lateral margins and tip of tongue are frequently involved in severe episode of recurrent aphthous ulcers.
  • 141. ULCERS AND INFECTIOUS DISEASES  Vesicobullous disorders also may involve lingual mucosa.  Tuberculosis-post. ventral surface  The ant. 1/3rd of the tongue may also be site of an extra genital chancre in primary syphilis.  In primary herpes simplex gingivostomatitis, the dorsum, ventral and lateral margin may be ulcerated.  In infections with erythrogenic, toxin producing Streptococcus pyogens (scarlet fever), the sign of strawberry tongue.
  • 144. ULCERS AND INFECTIOUS DISEASES MANAGEMENT  The most effective treatment to get rid of tongue ulcer is to increase your body's immunity power by taking Vitamin B complex tablets and vitamins tablets.  Glycerin: Rinsing your mouth and tongue with glycerin on the affected parts of tongue is the best way to alleviate the pain caused by ulcers under tongue and throat. Rinsing your mouth with glycerin also controls the wounds or lesions further spreading and expanding inside the mouth and throat.  Topical application of lignocaine
  • 145. SUPERFICIAL VASCULAR CHANGES  Lingual varicosities are evident as prominent purplish blue spots, nodules, and edges, usually on the anterior ventral surface of the tongue and around the submandibular-sublingual gland orifices.  But they are rarely symptomatic  They represent a normal age change  Petechial hemorrhages and telangiectasia's also can demonstrated on ventral surface  Hemangiomas are relatively common on tongue.
  • 147. AMYLOIDOSIS  Involvement of the tongue is described in both the primary and secondary forms of amyloidosis.  The characteristic fibrous glycoprotein of this disease is deposited in the submucosa as well as in deeper muscular layers of tongue.  Generalized enlargement of the tongue(macroglossia) and fungating swelling may result.
  • 149. NEUROMUSCULAR DISORDERS  Neuromuscular disorders of central, peripheral, or muscular origin may produce symptom of dysphagia and choking as well as disordered mastication and speech problems.  Repetitive , uncontrolled movement of the tongue, head, and jaws, Depapillation, burning sensations and traumatic ulcers of tongue are common in buccolingaul-facial dyskinesia, parkinsonism, and the tardive dyskinesia.  Weakness of tongue can occur in polymyositis, multiple sclerosis and Duchene's muscular dystrophy.
  • 150. NEUROMUSCULAR DISORDERS Damage to hypoglossal nerve, leads to hypoglossal palsy. If bilateral, the tongue can not be extended If unilateral, the tongue deviates to the unaffected side when extended.
  • 151. Sleep Apnea Syndrome  Sleep apnea is a disorder characterized by a reduction or pause of breathing (airflow) during sleep.  It is common among adults becoming more common in children  Obstructive sleep apnea is caused by the collapse of the airway during sleep.  Obstructive sleep apnea is diagnosed and evaluated by history, physical examination and polysomnography (sleep study).  One of the most common signs of obstructive sleep apnea is loud and chronic (ongoing) snoring.
  • 152. Sleep Apnea Syndrome  Sleep apnea is treated with lifestyle changes, mouthpieces, breathing devices, and surgery.  Medicines typically aren't used to treat the condition.  The mouthpiece will adjust your lower jaw and your tongue to help keep your airways open while you sleep.
  • 153. Vascular disease of the body of the tongue  The lingual artery is very susceptible to the development of atherosclerotic changes.  The extent of the lingual atherosclerosis increases with age, but age does not bring ischemic complications secondary to atherosclerosis.  Infarcts of tongue are fairly rare
  • 154. Angioneurotic Edema  Angioneurotic edema is one form of acute anaphylactic reaction representing an immediate hypersensitivity response allied to urticaria, allergic rhinitis, and asthma.  Antigenic stimuli are-respiratory allergens, food such as shellfish, chocolate, nuts, various drugs and occasionally cold and physical trauma to tongue.
  • 155. Angioneurotic Edema  Medications used to treat angioedema include:  Antihistamines  Anti-inflammatory medicines (corticosteroids)  Epinephrine shots (people with a history of severe symptoms can carry these with them)  Inhaler medicines that help open up the airways
  • 156. Benign Tumors Of Tongue  A benign mouth tumor is an abnormal growth located in the mouth or tongue.  The growths are not cancerous and very rarely spread to other body parts.  The condition is most common in adults over the age of 60.  The risk of developing an abnormal growth within the mouth is greater increased in smokers.
  • 157. Benign tumors of tongue  c/f: bleeding lump – Mouth dentures don't fit difficulties swallowing lump in any part of the mouth poor pronunciation sore lump - mouth
  • 158. Benign Tumors Of Tongue  Benign tumors of tongue are as:  Fibroma  Papilloma  Hemangioma  Lymphangioma  Granular cell myoblastoma  Lipoma
  • 159. Fibroma  A fibroma is a benign, tumor-like growth made up mostly of fibrous or connective tissue.  Tumor-like growths such as fibroma develop when uncontrolled cell growth occurs for an unknown reason, or as a result of injury or local irritation.  Fibromas can form anywhere in the body and usually do not require treatment or removal.  Usually painless  Surgical exicision- management
  • 161. Papilloma  Papilloma is a general medical term for a tumor of the skin or mucous membrane with finger-like projections.  Papilloma are either pedunculated or sessile growth on any surface of oral mucous membrane.  Multiple papilloma are occur in Cowden's syndrome, down’s syndrome.  Management-Surgical excision.
  • 163. Hemangioma  Hemangioma is a benign tumor of dilated blood vessels.  It is also known as port-wine stain, strawberry hemangioma, and Salmon patch.  They are characterized by hyperplasia of blood vessels, usually veins and capillaries, in a focal area of submucosal connective tissue.
  • 165. Hemangioma  Surgical or invasive treatment of oral hemangiomas has evolved.  Complete surgical excision of these lesions offers the best chance of cure, but, often, because of the extent of these benign lesions, significant sacrifice of tissue is necessary.  For example, lesions of the tongue may require near-total GLOSSECTOMY
  • 166. Lymphangioma  Lymphangioma are benign hamartomatous tumors of the lymphatic channels. They are thought to be developmental malformations arising from sequestration of lymphatic tissue that do not communicate with the rest of the lymphatic channels  Oral lesions are most frequently found on the tongue.  Treatment: injection of sclerosing solutions, cryosurgery, intravascular remobilization with silicon spheres.
  • 168. Granular Cell Myoblastoma  Granular cell tumor, is a relatively uncommon benign neoplasm, which is more commonly found in females in the 4th to 6th decades of life even though it can occur in all ages.  Most of the intraoral lesions occur on the tongue, usually on the lateral aspect.  Granular cell tumors are slow-growing, painless tumors with no known cause.  They may start in nerve cells.  They occur mostly on the top of the tongue.
  • 170. Lipoma  Lipoma is a rare benign tumor of mesenchymal origin which infiltrates adjacent muscle and tend to recur after excision  It is prevalently found in the cheek and tongue, but also in the lip, gingival and floor of the mouth.  Particularly, lipoma accounts for 0.3% of all lingual tumors
  • 171. Lipoma
  • 172. Malignant Tumors Of Tongue  Cancer of the tongue is a malignant tumor that begins as a small lump, a firm white patch, or a sore (ulcer) on the tongue.  If untreated, the tumor may spread throughout the tongue to the floor of the mouth and to the gum (jaws).  As a tumor grows, it becomes more life threatening by spreading (metastasizing) to lymph nodes in the neck and later to the rest of the body  Eg: squamous cell carcinoma,
  • 173. Squamous Cell Carcinoma  It is most common oral carcinoma with 60% cases arising from the ant. 2/3rd of the tongue and reminder from base of tongue.  Etiology: physical trauma, alcohol, tobacco, smoking, candidiasis, syphilis, sepsis, chronic dental trauma and chronic superficial glossitis.  About 80% of all people who develop tongue cancer are smokers.
  • 176. Squamous Cell Carcinoma  c/f:  middle and later decades, m>f ,  Painless mass or ulcer later becomes painful  Excessive salivation  Offensive smell in mouth occurs due to bacterial stomatitis.  Sore throat  Immobility of tongue-causes difficulty in speech.  Hoarseness of voice and dysphagia  It spread by infiltration and invasion
  • 177. Squamous Cell Carcinoma  Management:  Early carcinoma of tongue(T1 and small T2) responds equally well to surgical excision or by radiation.  T1 and T2 with no evidence of lymph node metastasis, surgical treatment is usually restricted to partial glossectomy.  If it is T2 or T3 without node involvement, prophylactic neck dissection is advised.
  • 178. Squamous Cell Carcinoma  Treatment of carcinoma of the ant. 2/3rd of tongue with evidence of node involvement may include radical neck dissection, partial mandibulectomy, and intraoral dissection(commando operation) in addition to glossectomy  Better cure rates obtained with combined chemotherapy(cis-platinum and bleomycin)- surgery radiation approaches, use of neutron irradiation, immunotherapy, and trans oral laser resection for accessible early stage carcinoma.
  • 180. REFERANCE  B. D. CHAURASIA (2006) HUMAN ANATOMY, REGIONAL AND APPLIED, DISSECTION  ORBAN’S ORAL HISTOLOGY & EMBRYOLOGY 12TH EDITION  FRANK H NETTER, MD ATLAS OF HUMAN ANATOMY  NEELIMA ANIL MALIK, TEXTBOOK OF ORAL AND MAXILLOFACIAL SURGERY  SHAFER’S TEXTBOOK OF ORAL PATHOLOGY 7TH EDITION  HENRY GRAY(2004) GRAY’S ANATOMY  Terai H, et al.,Clinical Features of Partial Atrophic Tongue Associated with Candida. Int J Dentistry Oral Sci. 2016;03(1):177-180  J. Marcoval, J. Notario, S. Martín-Sala, I. Figueras Pigmentation of the Fungiform Papillae of the Tongue: A Report of 2 Cases Actas Dermosifiliogr 2011;102(9):739-40  INTERNET SOURCE..