23,24,29 radiography

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Author:
Hbottorff
ID:
311373
Filename:
23,24,29 radiography
Updated:
2015-11-12 11:41:32
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dental radiography
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Description:
23,24,29
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  1. amalgam and a full metal crown can be distinguished from each other radiographically by their
    shape and margins
  2. which of these dental restorative materials appears most radiopaque
    amalgam
  3. which of these dental restorative materials is most likely to mimic decay radiographically
    composite
  4. dens in dente appears radiographically as a
    tooth within a tooth
  5. a sharp bend in the tooth root is called
    dilaceration
  6. radiographically, it is not possible to accurately differentiate between a periapical abscess, a granuloma, and a cyst
    radiographically it is not possible to accurately differentiate between carcinoma and sarcoma
    both are true
  7. which of these appears radiolucent on a radiograph
    abscess
  8. a large radiolucency surrounding the crown only of an unerupted tooth is most likely what type of cyst
    dentigerous
  9. the evidence of resorption that appears to shorten the tooth root is called
    external resorption
  10. the radiographic appearance of a small oviod radiopacity within the pulp chamber of the tooth is called a
    pulp stone
  11. which of the following appears radiolucent in its early stages as a radiopaque mass in later stages
    pericapical cemental dysplasia PCD
  12. which of the following tumors appears radiolucent radiographically
    sarcoma
  13. radiographic evidence of a bone fracture appears as a radiolucent line that may resemble a
    nutrient canal
  14. root canal material is
    gutta percha
  15. caries appear radiopaque, because more radiation is passing through the demineralization than the surrounding tissues
    the first part of the statement is false, but the second part of the statement is true
  16. each of the following will produce an ideal radiographic image for detecting caries except one
    excessive vertical angulation
  17. caries in the earliest stage is called
    incipient
  18. radiographs are best at detecting incipient caries of which of these locations on the tooth
    proximal
  19. the key to successfully interpretating radiographs for proximal surface caries is to examine the contact point between adjacent teeth and just apical to the
    estimated gingival margin
  20. proximal surface carious lesions appear
    triangular
  21. which of the following appears radiographically as a radiolucent notch that is less than half-way through the enamel
    incipient proximal caries
  22. which of the following appears radiographically as a radiolucent double triangle that is less than halfway through the dentin toward the pulp
    advanced proximal caries
  23. the key to successfully interpretating radiographs for occlusal caries is to examine
    under the occlusal surface for changes in the dentin
  24. which of the following appears radiographically as a round radiolucency in the middle of the tooth with well defined borders
    buccal/lingual caries
  25. which of the following appears radiographically as an ill-defined crescent-shaped radiolucency below the CEJ
    cemental caries
  26. caries that occur under a restoration or around its margins are called
    recurrent caries
  27. each of the following may mimic caries radiographically except...
    stainless stain crowns
  28. an optical illusion created by an increased radiolucency observed at the cervical area of the tooth is called mach banding
    the mach banding effect increases when overlap error occurs
    • first is false.
    • second is true.

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