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5 Written questions

5 Matching questions

  1. Most likely long term outcome from conservative management of orbital blowout fracture (all-comers)?
  2. what are the most common complications of orbital floor repair
  3. 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
  4. which way does the lateral pterygoid tend to displace the condylar head
  5. What are class II and III occlusion?
  1. a Cheek hypesthesia. Enopthalmos likely if >50% of floor.
  2. b
    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.
  3. c diploplia and enopthalmos
  4. d anterior and medial
  5. e
    Class II: retrognathism
    Class III: prognathism

5 Multiple choice questions

  1. contralateral angle

  2. 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
  3. symphysis and condyle of contralateral side

  4. Some say panorex for subcondylar. Otherwise, Towne's view.
  5. 1. isolated nondisplaced fractures of the coronoid

    2. unilateral nondisplaced subcondylar fracture with normal occlusion

5 True/False questions

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


  2. What forms the border between the symphisis and body of the mandible?external carotid-->internal maxillary-->inferior alveolar


  3. How often do isolated fractures of a single site in the mandible occur?6%


  4. Ideal time for nasal fracture reductionwithin 3 hours of injury or from 3-7 days.


  5. Treatement of posterior table frontal sinus fractures.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.


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