radiology

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Author:
sweetpea281
ID:
50289
Filename:
radiology
Updated:
2010-11-17 18:05:03
Tags:
ch21review
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Description:
chapter 21 quiz qestions
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  1. what does the term occlusal refer to?
    chewing surfaces of posterior teeth
  2. what size film is recommended for use with the occlusal technique in the adult patient
    size 4
  3. what size film is recommended for use with the occlusal technique in the child patient with a primary dentition?
    size 2
  4. how is the patient's head positioned before exposing a maxillary occlusal film?
    upper arch parallel to the floor
  5. what are the uses for the occlusal film? (10)
    • locate retained roots
    • locate supernumerary, unerupted or impacted teeth
    • locate foreign bodies
    • locate salivary stones
    • locate and evaluate extent of lesions
    • evaluate boundaries of maxillary sinus
    • evaluate fractures of maxilla or mandible
    • aid in examination of pt with limited jaw opening
    • measure changes in size and shape of maxilla or mandible
  6. state the vertical angulation used for the maxillary topographic occlusal projection
    +65 degrees
  7. state the vertical angulation used for the maxillary lateral occlusal projection
    +60 degrees
  8. state the vertical angulation used for the mandibular topographic occlusal projection
    -55 degrees
  9. state the vertical angulation used for the mandibular cross-sectional occlusal projection
    90 degrees
  10. state the vertical angulations used for the maxillary and mandibular pediatric occlusal projections
    • maxillary= +60 degrees
    • mandibular= -55 degrees

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