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Lefort fractures /certified fixed orthodontic courses by Indian dental academy Indian dental academy
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.
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The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.
Indian dental academy provides dental crown & Bridge,rotary endodontics,fixed orthodontics,
Dental implants courses.for details pls visit www.indiandentalacademy.com ,or call
00919248678078
Lefort fractures /certified fixed orthodontic courses by Indian dental academy Indian dental academy
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.
Indian dental academy provides dental crown & Bridge,rotary endodontics,fixed orthodontics,
Dental implants courses.for details pls visit www.indiandentalacademy.com ,or call
0091-9248678078
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.
Indian dental academy provides dental crown & Bridge,rotary endodontics,fixed orthodontics,
Dental implants courses.for details pls visit www.indiandentalacademy.com ,or call
00919248678078
Odontogenic keratocyst (OKC) is the cyst arising from the cell rests of dental lamina. It can occur anywhere in the jaw, but commonly seen in the posterior part of the mandible. Radiographically, most OKCs are unilocular when presented at the periapex and can be mistaken for radicular or lateral periodontal cyst.
Le fort fracture by Dr. Amit Suryawanshi .Dentist in Kolhapur (MDS). Oral &...All Good Things
Description:
Hi. This is Dr. Amit T. Suryawanshi. Dentist in Kolhapur (MDS) Oral & Maxillofacial surgeon from Kolhapur, India. I am here on slideshare.com to share some of my own presentations presented at various levels in the field of OMFS. Hope this would somehow be helpful to you making your presentations. All the best & your replies are welcomed!
Odontogenic keratocyst (OKC) is the cyst arising from the cell rests of dental lamina. It can occur anywhere in the jaw, but commonly seen in the posterior part of the mandible. Radiographically, most OKCs are unilocular when presented at the periapex and can be mistaken for radicular or lateral periodontal cyst.
Le fort fracture by Dr. Amit Suryawanshi .Dentist in Kolhapur (MDS). Oral &...All Good Things
Description:
Hi. This is Dr. Amit T. Suryawanshi. Dentist in Kolhapur (MDS) Oral & Maxillofacial surgeon from Kolhapur, India. I am here on slideshare.com to share some of my own presentations presented at various levels in the field of OMFS. Hope this would somehow be helpful to you making your presentations. All the best & your replies are welcomed!
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A presentation on the latest in facial fracture repair of the midface, zygoma, and partial orbit. Great history section I researched at Countway Library at Harvard Medical School.
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A Comprehensive educational presentation on the fractures of the middle third of the facial skeleton.
By: Dr. Abdul Karim Sharif, MD, PGD
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The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
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Description :
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
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The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
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The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and
offering a wide range of dental certified courses in different formats.for more details please visit
www.indiandentalacademy.com
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7. Areas of Strength
Thickened Bones
Higher ratio of cortical:cancellous
Analogus to architectural concepts of support
Sicher & Tandler in 1928
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12. FRACTURES NOT INVOVING OCCLUSION
A. CENTRAL REGION
Fractures of the nasal bones and / or nasal
septum
- lateral nasal injuries
- anterior nasal injuries
Fractures of the frontal process of the maxilla
Fractures of (1) and (2) which extend into the
ethmoid bone ( nasoethmoid)
Fractures of types (1), (2) and (3) which
extend into the frontal bone (fronto- orbitonasal dislocation)
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13. B. LATERAL REGION
Fractures involving the zygomatic bone,
Zygomatic arch and
maxilla
(zygomatic complex) excluding the dento-
alveolar component
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15. Rowe & William’s (1985)
FRACTURES NOT INVOVING THE
DENTOALVEOLAR COMPONENT
FRACTURES INVOLVING THE
DENTOALVEOLAR COMPONENT
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16. Classification
Alphonse Guerin ( 1888)
Rene LeFort (1901)
Experimental cadaveric
studies
# along the lines of weakness
Assault from frontal / lateral
impact
Avoided areas of strength
LeFort I
LeFort II
LeFort III
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17. Le Fort I
Guerin #,Floating #
Fracture extends
transversely above
level of teeth
Traumatic force
directed
to the lower maxillary
region
B/L or U/L
U/L: auxillary # :
midline of the palate
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19. Le Fort II:
Pyramidal #
Begins above level
of teeth
a violent force to the
central region of the
mid
Central portion
mobilized
independently
Pa Skull- Pyramidal
shaped.
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20. MAXILLOFACIAL INJURIES
MIDFACE FRACTURES
Le-Fort II Fracture
( Pyramidal # / Subzygomatic # )
Nasal bone
Frontal bone
Orbit
Lacrimal bone
Infraorbital foramen
Maxillary antrum
ZM suture
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21. Le Fort III:
Craniofacial Dysjunction
Fracture extends through
zygomatic arch
Entire midface separated &
suspended solely by soft
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tissues
22. MAXILLOFACIAL INJURIES
MIDFACE FRACTURES
Le-Fort III Fracture
( High transverse/Suprazygomatic/Craniofacial disarticulation)
Fronto-nasal suture
Ethmoid cribriform plate
Frontal process maxilla
Medial wall orbit
Optic foramen
Inferior orbital fissure
Pterygoid lamella
Lateral wall of orbit Z-F
suture
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GK / MAXFAC
SDM DHARWAD
23. These fractures may occur unilaterally or
may be associated independently with a
fracture of the zygomatic complex
There may be midline separation of the
maxilla and / or extension of the fracture
pattern into the frontal or temporal bones
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24. Factors influencing displacement
Degree of force
Direction of force
Resistance to the force offered by the facial
bones
Point of application of force
Cross sectional area of object
Attached muscles
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26. Local clinical examination
gently clean up the face
Inspection
Palpation
Diagnostic Imaging
Extra oral examination
Lacerations or injury over head
Check for edema, ecchymosis (periorbital,
conjunctival, scleral) and soft tissue
lacerations
Any obvious bony deformities, haemorrhage,
epistaxis or otorrhoea, rhinorrhoea
occular involvement
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27. Palpation
It should begin at the back of the neck and
cranium, Upper face,the zygomatic arch ,bone
and orbit
Ares of tenderness, deformities noted
Step deformity,subcutaneous emphysema
Mobility of maxilla
Eyelids separated and vision tested, check for
diplopia, light reflex
Check for Paraesthesia
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30. Intra oral examination
Derangement of occlusion, gagging of
occlusion, lacerations, ecchymosis
Palpation
Areas of tenderness, bony irregularities,
crepitus mobility of teeth noted
Examination of teeth
Pharynx evaluated for laceration & bleeding
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31. Clinical Features
LeFort - I
Swelling of the upper lip
Ecchymosis present in the buccal sulcus
beneath each zygomatic arch
Patient keeping the
mouth slightly open
Occlusion derranged
Midline split of the palate
Subluxation of teeth
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32. The impacted Le Fort I fracture (Telescoping
fracture) –difficult to diagnose – ‘grating
sound’
Percussion ‘cracked pot’ sound
Haemorrhage in the maxillary sinuses
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33. LeFort - II / III
Swelling : gross; (moon face) eyelids
conjunctiva
Ecchymosis : bilateral circum-orbital
(panda face/raccoon face)
: subconjunctival
Chemosis
Infra orbital step
(Le Fort II)
Nasal deformity
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34. Retropositioning of maxilla : Deranged
occlusion : post gagging : V. D
Mobility of midface
Hematoma on palate
Dish face
Loss of function:
Diplopia? Anosmia
Nares filled with clotted blood
Emphysema, Epiphora,
CSF Rhinorrhea,Hooding of eye
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35. LeFort - II
No alteration of pupillary level
Haematoma in the upper buccal sulcus
Step deformity : infra orbital margins
Limitation of orbital movement with diplopia
and enopthalmos
Anaesthesia or Paraesthesia of the cheek
Gagging of occlusion and retro-positioning of
the maxilla
On manipulation: movement being detected at
the infra orbital margins and nasal bridge
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36. LeFort - III
Lenghtening of the face
Alteration of the occular level
unilateral or bilateral hooding
of the eye
# of the zygomatic arch :
flattening of the zygomatic complex
Tenderness and deformity over the zygomatic arch
Tenderness and separation at the F-Zsuture
Mobility of the whole facial skeleton as a single
block
Gagging of occlusion in the molar area
Disruption of the cribriform plate :CSF rhinnorhoea
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