This document provides an overview of normal dental radiographic anatomy. It describes the appearance of teeth and surrounding structures like the crown, root, enamel, dentin, and pulp. It also discusses the different types of bone seen on dental radiographs, like cortical and cancellous bone. Specific anatomical structures are defined for both maxillary and mandibular projections, including the maxillary sinus, nasal fossa, mental foramen, and mandibular canal. The document emphasizes the radiographic appearance of these structures to aid in their identification on dental x-rays.
This presentation will give you a detailed knowledge about the various techniques that can be performed for imaging various aspects and diseases of TM Joint.
This presentation will give you a detailed knowledge about the various techniques that can be performed for imaging various aspects and diseases of TM Joint.
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Details about the anatomy with clinical importance. An easy guide for understanding the walls, surgical spaces, orbital contents, venous and arterial supply. Hope its helpful for your examinations too!!
1. Classification of Bones of the Head & Neck
2. Bones of the Viscerocranium
3. Bones of the Neurocranium
4. The Auditory Ossicles
5. The Hyoid Bone
6. The Cervical Vertebrae
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Adv. biopharm. APPLICATION OF PHARMACOKINETICS : TARGETED DRUG DELIVERY SYSTEMSAkankshaAshtankar
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These simplified slides by Dr. Sidra Arshad present an overview of the non-respiratory functions of the respiratory tract.
Learning objectives:
1. Enlist the non-respiratory functions of the respiratory tract
2. Briefly explain how these functions are carried out
3. Discuss the significance of dead space
4. Differentiate between minute ventilation and alveolar ventilation
5. Describe the cough and sneeze reflexes
Study Resources:
1. Chapter 39, Guyton and Hall Textbook of Medical Physiology, 14th edition
2. Chapter 34, Ganong’s Review of Medical Physiology, 26th edition
3. Chapter 17, Human Physiology by Lauralee Sherwood, 9th edition
4. Non-respiratory functions of the lungs https://academic.oup.com/bjaed/article/13/3/98/278874
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Basavarajeeyam is a Sreshta Sangraha grantha (Compiled book ), written by Neelkanta kotturu Basavaraja Virachita. It contains 25 Prakaranas, First 24 Chapters related to Rogas& 25th to Rasadravyas.
- Video recording of this lecture in English language: https://youtu.be/lK81BzxMqdo
- Video recording of this lecture in Arabic language: https://youtu.be/Ve4P0COk9OI
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Basavarajeeyam is an important text for ayurvedic physician belonging to andhra pradehs. It is a popular compendium in various parts of our country as well as in andhra pradesh. The content of the text was presented in sanskrit and telugu language (Bilingual). One of the most famous book in ayurvedic pharmaceutics and therapeutics. This book contains 25 chapters called as prakaranas. Many rasaoushadis were explained, pioneer of dhatu druti, nadi pareeksha, mutra pareeksha etc. Belongs to the period of 15-16 century. New diseases like upadamsha, phiranga rogas are explained.
Basavarajeeyam - Ayurvedic heritage book of Andhra pradesh
Intra Oral radiographic anatomical landmarks
1.
2. Importance of knowing normal
anatomy :
1- correct film mounting requires a good
knowledge of normal radiographic anatomy.
2- To be able to detect abnormal findings.
8. TYPES OF BONE SEEN IN DENTAL RADIOGRAPH:
1- CORTICAL BONE
2- CANCELLOUS BONE
9. CORTICAL BONE means outer layer
The cortical bone is also referred to as compact bone, is very
dense and contains no marrow space. This bone seen surrounding
the tooth (lamina dura) and carried over the alveolar crest.
Cortical bone resist the passage of the x-ray beam and appears
radiopaque.
CORTICAL BONE
10. Cancellous bone
Cancellous bone means arranged like a lattice
Cancellous bone is the soft spongy bone that is located between the
two layers of dense cortical bone.
It has a spider web appearance , it’s composed of numerous bony
trabeculae that form a lattice- like network of intercommunicating
spaces filled with marrow spaces
11. Trabecular Pattern in anterior maxilla
The trabeculae is thin
& numerous, forming
a fine, granular,dense
pattern& the marrow
space small and
relatively numerous.
13. Trabecular Pattern in
anterior mandible
The trabeculae thicker&
fewer than in the
maxilla, with large
marrow spaces.
Coarser pattern with
trabecular plates
oriented more
horizontally
14. Trabecular Pattern in
the posterior mandible
Trabecular plates
oriented more
horizontally.
Marrow space
comparable to ant.
Mand. But larger.
20. Nasal fossa(nasal cavity)
A pear-shaped
compartment of bone
superior to maxilla.
Radiographically.
large radiolucent area
above the maxillary
incisors.
21. Nasal Septum
a vertical bony wall that
divides the nasal cavity
into RT & LT fossa, it is
formed by two bones and
cartilage.
Radiographically:
Vertical radiopaque partition
divide the nasal cavity.super
imposed over the median
palatal suture
22. Floor of Nasal Cavity
Is a bony wall formed by the
palatal processes of the
maxilla & horizontal portion
of palatine bone,extends
bilaterally away from ANS.
Radiographically:
dense radiopaque band of bone
above the maxillary incisors.
23. Anterior Nasal Spine
Is a sharp projection of
the maxilla located at
the anterior & inferior
portion of the nasal
cavity.
Radiographically:
V-shaped Radiopaque area at
the intersection of the floor of
the nasal cavity & the nasal
septum.
24. Intermaxillary Suture
Median palatal suture.
Joint bet the 2 palatine
processes of the maxilla
Extends from alveolar
crest through ANS,to the
posterior hard palate
Radiographically:
Thin radiolucent line bet the
maxil central incisors, Uniform
width
25. Soft Tissue Outline of Nose
The nose can be
seen as a soft tissue
shadow, usually
radiopaque, along the
root of the maxillary
incisors.
26. Incisive Foramen
Is opening through
which the
nasopalatine nerve &
vessels pass.
Radiographically:
Radiolucent,oval shaped
Variable size and shape.
Variable position, due to
angulation of x-ray beam
30. Inferior nasal Conchae
Concha shell- shaped
thin curved plate of bone
extend from the lateral
wall of the nasal cavity.
Radiographically:
Diffuse radiopaque mass
or projection within the
nasal cavity.
32. Lateral fossa(canine fossa)
Is a smooth
depressed area of the
maxilla bet the canine
& lateral incisor.
Radiographically:
Radiolucency bet canine
and lateral inc.
the appearance varies
depend on the anatomy
34. Inverted “Y” of Ennis
Inverted Y refers to
intersection of nasal
fossa and maxillary
sinus.
Radiographically:
Radiopaque upside-
down “y” above the max
canine
36. Maxillary Sinus
Paired cavities of bone
within the maxilla .
Located above the max
pre-molar & molar
Radiographically:
Radiolucent area
surrounded by radiopaque
line above the apices of max
pre-molar & molar
38. Maxillary sinus and Nutrient
canals
Tube like passageways
through the bone that house
BV & nerve to maxillary teeth.
Radiographically:
Narrow radiolucent band
bounded by two thin
radiopaque line representing
the cortical bone
42. Floor / Wall of Maxillary Sinus
Wavy outline of the
sinus
43. Maxillary Tuberosity
Is rounded prominence of
bone that extend post to
max 3rd
molar region.
Radiographically:
Radiopaque bulge distal to
3rd
molar region
44. Hamulus(hamular process)
Is a small hook-like
projection of bone that
extend from the medial
pterygoid plate
Posterior to max tuberosity
region
Radiographically:
Radiopaque hook-like
projection.
Varies in length, shape &
density
45. Zygomatic process of the maxilla
A bony projection of the
maxilla that articulates
with the zygoma.(dense
bone)
Radiographically:
J or U ahaped radiopacity
superior to max 1st
molar
region
46. Zygoma(Malar bone)
It is comprised of dense
cortical bone.
Articulation of cheek bone
with the zygomatic process
of maxilla
Radiographically:
Diffuse radiopaque band that
extend posteriorly from the
zygomatic process of maxilla
54. Marked prominence of
bone on the ant ramus of
the mand.
Coronoid Process
Radiographically:
Triangular radiopacity
superimposed over,or
inferior to the max
tuberosity region
58. Genial Tubercle
Tiny bumps of bone that serve
as attachment site for
genioglossus and geniohyoid
muscles.
Located on the lingual aspect
of the mand.
Radiographically:
Ring-shaped radiopacity
below the apices of the man
incisors
62. Lingual Foramen
Tiny opening or hole in bone
located on the internal surface of
mand,near the midline &
surrounded by genial tubercles
Radiographically:
Small radiolucent dot inf to
the apices of man incisore
63. Nutrient Canals
Tube-like passageway
through bone that house
nerves & blood vessels
Seen in area of thin bone
Radiographically:
Vertical radiolucent lines
64.
65. Mental Ridge
Is a linear prominence of cortical
bone on the external surface of
the ant portion of the man.
It extend from the premolar to the
midline & slop upward
Radiographically:
Thick radiopaque band
Superimpose over the mand
ant teeth.
66. Mental fossa
Scooped-out, depressed area
of bone on the external
surface of the ant man
Radiographically:
Radiolucent area bet the
alveolar ridge and mental
ridge.
68. Mental foramen
Is an opening located on
the ext surface of the
mand in the mandibular
premolar region.
Radiographically:
Small round or void
radiolucency in the apical
area of premolar
72. External Oblique Ridge
Linear prominence of
bone located on the exter
surface of the body of the
mand
Radiographically:
Radiopaque band extend
downward & forward from the
ant border of the ramus of the
mand,it ends in the mand 3rd
molar area
73. Mylohyoid Ridge (Internal oblique ridge)
Linear prominence of bone on
the internal surface of the
mand,it extend from the molar
region downward & forward
toward the lower border of the
mand symphysis
Radiographically:
Dense radiopaque band
Superimposed over root of
mand teeth
74. Mandibular Canal
Tube-like passageway through
bone that travels the length of
the mand.
Extend from mand foramen to
mental foramen& house inferior
alveolar nerve and vessels
Radiographically:
Radiolucent band outlined by two
thin radiopaque lines.
Below or superimposed over the
apices of the molar teeth
75. Submandibular Fossa
A scooped-out, depressed
area of bone on the internal
surface of the mand below
mylohyoid ridge
Radiographically:
Radiolucent area in molar
region