OMFS: Fractures of The Mandibular

Question 1

Clinical signs & symptoms of mandible fractures?

Answer 1

• pain, swelling, loss of function
• occlusal derangement
• numbness of lower lip (damage to IAN)
• loose/mobile teeth
• bleeding
• anterior open bite
• facial asymmetry

Question 2

where are some sites the mandible can fracture at?

Answer 2

• angle
• subcondylar
• parasymphyseal
• body
• ramus
• coronoid

Question 3

factors causing displacement of mandibular fractures?

Answer 3

• direction of fracture line
• opposing occlusion
• magnitude of force
• mechanism of injury

Question 4

what type of radiographic assessment can be used for mandibular fractures?

Answer 4

• OPT, Posterioanterior mandible
• Occlusal radiograph
• lateral oblique (similar to lateral ceph)
• town’s view
• CT scans

Question 5

treatment of mandibular fractures?

Answer 5

1. control of pain & infection
2. reduction & fixation
3. undisplaced fracture? no tx
4. displaced/mobile? fixation