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5 Written questions

5 Matching questions

  1. Ideal time for nasal fracture reduction
  2. Describe vertically unfavorable mandible fractures.
  3. which way does the lateral pterygoid tend to displace the condylar head
  4. types of other fractures most often associated with a mandibular condyle fracture
  5. arterial supply to the mandible
  1. a symphysis and condyle of contralateral side
  2. b anterior and medial
  3. c 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. d within 3 hours of injury or from 3-7 days.
  5. e external carotid-->internal maxillary-->inferior alveolar

5 Multiple choice questions


  1. zygomas
  2. contralateral angle
  3. An imaginary line drawn at the canines
  4. 6%

  5. 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

5 True/False questions

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

          

  2. Long-term complications of orbital blow outdiploplia and enopthalmos

          

  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. What are class II and III occlusion?
    Class II: retrognathism
    Class III: prognathism

          

  5. 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

    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.