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5 Written questions

5 Matching questions

  1. Best radiologic view of subcondylar fx
  2. When do fibrillation potentials appear in Wallerian degeneration?
  3. What is shown in a Water's view film?
  4. Most likely long term outcome from conservative management of orbital blowout fracture (all-comers)?
  5. Long-term complications of orbital blow out
  1. a
    upper 2/3 of facial bones, maxillary sinuses
  2. b
    Some say panorex for subcondylar. Otherwise, Towne's view.
  3. c Cheek hypesthesia. Enopthalmos likely if >50% of floor.
  4. d Associated fibrillation potentials show up starting 3 days after injury.
  5. e enophthalmos, dipoloplia, infraorbital nerve hypesthesia

5 Multiple choice questions


  1. 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.
  2. An imaginary line drawn at the canines
  3. contralateral angle
  4. 6%
  5. Obliteration vs. close monitoring with CT scans (in reliable patient only).

5 True/False questions

  1. Ideal time for nasal fracture reduction
    Class II: retrognathism
    Class III: prognathism

          

  2. Describe Champy lines of osteosynthesis.
    Some say panorex for subcondylar. Otherwise, Towne's view.

          

  3. how do you treat frostbite of the ear?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

          

  4. Treatement of posterior table frontal sinus fractures.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.

          

  5. which way does the lateral pterygoid tend to displace the condylar headanterior and medial

          

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