Mandibular Fractures
Common Sites
The condyle is the most common fracture site overall; the body/angle are also frequent. Site frequency varies with mechanism and population.
Favourable vs Unfavourable
Determined by the direction of the fracture line relative to muscle pull. Favourable fractures are held together by muscle action; unfavourable fractures are displaced by it.
Management
- Closed reduction — intermaxillary fixation (IMF) for many condylar and minimally displaced fractures.
- Open reduction & internal fixation (ORIF) — plates/screws for displaced/unfavourable fractures.
- Gunning splints — for edentulous patients.
Exam Tips ⭐
Condyle = most common site; favourability depends on muscle pull; edentulous = Gunning splints.
📝 Practice MCQs — Mandibular Fractures
Q1. The most common site of mandibular fracture overall is the:
A. Symphysis
B. Condyle
C. Angle
D. Ramus
Show Answer
✅ Answer: B
The condyle is the most commonly fractured region of the mandible.
Q2. Gunning splints are used for fracture management in:
A. Children
B. Edentulous patients
C. Athletes
D. Diabetics
Show Answer
✅ Answer: B
Gunning splints aid IMF in edentulous patients.
Q3. An 'unfavourable' fracture is one that is:
A. Held together by muscle pull
B. Displaced by muscle pull
C. Always comminuted
D. Never displaced
Show Answer
✅ Answer: B
Unfavourable fractures are distracted by muscle forces.
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