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5 Written Questions

5 Matching Questions

  1. type of fracture most often associated with a mandibular body fracture
  2. how do you treat frostbite of the ear?
  3. What is shown in a Water's view film?
  4. Ideal time for nasal fracture reduction
  5. Treatment of an anterior table frontal sinus fracture involving the frontonasal duct.
  1. a Obliteration vs. close monitoring with CT scans (in reliable patient only).
  2. b
    upper 2/3 of facial bones, maxillary sinuses
  3. c contralateral angle
  4. d 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
  5. e within 3 hours of injury or from 3-7 days.

5 Multiple Choice Questions

  1. 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.
  2. anterior and medial

  3. Zone 1: thoracic inlet inferiorly and the cricoid cartilage superiorly
    Zone 2: inferior border of cricoid cartilage to the angle of the mandible
    Zone 3: angle of the mandible to the base of the skull
  4. 6%

5 True/False Questions

  1. 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
    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.

          

  2. what are the most common complications of orbital floor repairenophthalmos, dipoloplia, infraorbital nerve hypesthesia

          

  3. When do fibrillation potentials appear in Wallerian degeneration?Associated fibrillation potentials show up starting 3 days after injury.

          

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

          

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

          

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