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10. MAXILLOFACIAL INJURIES
MANDIBULAR FRACTURES
Classification: type of displacement (angle)
Angle of mandible
Extra oral:Gonion
Intraoral: Junction of alveolar
bone and ramus
Fracture of angle mandible
Greater fragment :teeth bearing segment
Lesser fragment: ramus
GK / MAXFAC
SDM DHARWAD
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19. MAXILLOFACIAL INJURIES
MANDIBULAR FRACTURES
Radiographic features
OPG / Lateral oblique
P A mandible
Intra oral occlusal view
Confirms
Site and severity of #
Direction & displacement of #
Condition of teeth in line of #
Presence of bony pathology
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( 2 radiographs @ 90 deg )
GK / MAXFAC
SDM DHARWAD
24. MAXILLOFACIAL INJURIES
MANDIBULAR FRACTURES
Management
REDUCTION Closed
Advantages
No need for a G.A
Can be used in comminuted #
Continuity defects
( gun shot injuries)
Disadvantages
Accuracy of reduction ambiguous
Poor fracture alignment
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Inadequate reduction
GK / MAXFAC
SDM DHARWAD
34. MAXILLOFACIAL INJURIES
MANDIBULAR FRACTURES
Management
REDUCTION Open
Advantages
Accurate reduction &
fixation
Alignment under direct
visualization
Disadvantages
Need for a G.A & Hospitalization
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Expenses !!!
GK / MAXFAC
SDM DHARWAD
42. MAXILLOFACIAL INJURIES
MANDIBULAR FRACTURES
Edentulous mandibles
Simple #s
Healing uncomplicated !!!!
Displacement of # fragments variable
Classification( Luhr et al)
According to height of bone
Class 1 : 16 - 20mm
Class 2 : 11 - 15mm
Class 3 : less than 10mm
GK / MAXFAC
SDM DHARWAD
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