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5 Written questions

5 Matching 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
  2. types of other fractures most often associated with a mandibular condyle fracture
  3. Treatment of an anterior table frontal sinus fracture involving the frontonasal duct.
  4. What is shown in a submental vertex view film?
  5. what are the most common complications of orbital floor repair
  1. a diploplia and enopthalmos
  2. b symphysis and condyle of contralateral side
  3. c
  4. d
    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. e Obliteration vs. close monitoring with CT scans (in reliable patient only).

5 Multiple choice questions

  1. 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

  2. Class II: retrognathism
    Class III: prognathism
  3. 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.
  4. 6%
  5. Associated fibrillation potentials show up starting 3 days after injury.

5 True/False questions

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


  2. What is shown in a Water's view film?
    upper 2/3 of facial bones, maxillary sinuses


  3. Types of mandible fractures that require treatment with soft diet only (no MMF or ORIF)symphysis and condyle of contralateral side


  4. Most likely long term outcome from conservative management of orbital blowout fracture (all-comers)?Cheek hypesthesia. Enopthalmos likely if >50% of floor.


  5. Absolute and relative indications for open reduction of subcondylar fx
    Some say panorex for subcondylar. Otherwise, Towne's view.


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