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5 Written questions

5 Matching questions

  1. Treatment of an anterior table frontal sinus fracture involving the frontonasal duct.
  2. Most likely long term outcome from conservative management of orbital blowout fracture (all-comers)?
  3. How often do isolated fractures of a single site in the mandible occur?
  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
  5. What are class II and III occlusion?
  1. a Cheek hypesthesia. Enopthalmos likely if >50% of floor.
  2. b Obliteration vs. close monitoring with CT scans (in reliable patient only).
  3. c
    Class II: retrognathism
    Class III: prognathism
  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 6%

5 Multiple choice questions

  1. within 3 hours of injury or from 3-7 days.
  2. anterior and medial
  3. Absolute
    1. Dislocation into middle cranial fossa
    2. Lateral extracapsular displacement
    3. Inability to obtain adequate occlusion with closed reduction
    4. Open joint with foreign body

    1. Bilateral subcondylar fx's in edentulous patient (splinting impossible)
    2. When splinting not recommended for medical reasons
    3. Bilateral fractures associated with comminuted midfacial fractures
  4. diploplia and enopthalmos

5 True/False questions

  1. Describe Champy lines of osteosynthesis.
    "ideal lines of osteosynthesis" across the mandibular angle where the compressive and tensile forces from mastication can be countered with only monocortical fixation


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


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


  4. how do you treat frostbite of the ear?
    Class II: retrognathism
    Class III: prognathism


  5. arterial supply to the mandibleexternal carotid-->internal maxillary-->inferior alveolar


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