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5 Written questions

5 Matching questions

  1. types of other fractures most often associated with a mandibular condyle fracture
  2. What forms the border between the symphisis and body of the mandible?
  3. Treatment of an anterior table frontal sinus fracture involving the frontonasal duct.
  4. type of fracture most often associated with a mandibular body fracture
  5. what are the most common complications of orbital floor repair
  1. a symphysis and condyle of contralateral side
  2. b diploplia and enopthalmos
  3. c contralateral angle
  4. d An imaginary line drawn at the canines
  5. e Obliteration vs. close monitoring with CT scans (in reliable patient only).

5 Multiple choice questions

  1. Cheek hypesthesia. Enopthalmos likely if >50% of floor.
  2. Usually involve the body and sympysis-parasymphysis areas.

    The fracture line is posterior on the lateral cortex and anterior on the medial cortex. Therefore, the portion of the mandible posterior to the fracture is pulled medially, displacing the fracture. The mylohyoid is the primary muscle displacing the fracture.
  3. If no displacement or e/o CFS leak, observe and give abx. If displaced, obliteration and possible repair of dural tear. Cranialization reserved for fracture with significant bone loss or comminution.

  4. upper 2/3 of facial bones, maxillary sinuses
  5. Associated fibrillation potentials show up starting 3 days after injury.

5 True/False questions

  1. How often do isolated fractures of a single site in the mandible occur?rapid rewarming in circulating water. avoid rubbing and dry heat as both of these predispose to liquefactive necrosis. surgical debridement not indicated for 3 weeks for final demarcation of injury

          

  2. What are the boundaries of the zones of the neck for penetrating traumadiploplia and enopthalmos

          

  3. which way does the lateral pterygoid tend to displace the condylar headrapid rewarming in circulating water. avoid rubbing and dry heat as both of these predispose to liquefactive necrosis. surgical debridement not indicated for 3 weeks for final demarcation of injury

          

  4. Describe the direction of force on the mandible for each muscle:

    1. Temporalis
    2. Lateral pterygoid
    3. Medial pterygoid
    4. Masseter
    5. Geniohyoid
    6. Digastric

    1. Temporalis pulls coronoid posterosuperiorly.
    2. Lateral pterygoid pulls condyle anteroinferiorly.
    3 & 4. Masseter & medial pterygoid pull the angle anterosuperiorly.
    5 & 6. Geniohyoid and digastric pull mentum inferoposteriorly.

          

  5. What is shown in a submental vertex view film?
    upper 2/3 of facial bones, maxillary sinuses