DHE119 Rad analysis Slides 1-18 Quiz#4

  1. ______structures are easily penetrated by x-rays and appear dark gray to black.
    Radiolucent
  2. Radiolucent structures:
    –Pulp

    –PDL space

    –Periapical abscess

    –Bone marrow spaces

    –Bone loss and defects
  3. _____structures absorb or resist passage of x-rays and appear light gray to white.
    Radiopaque
  4. Radiopaque structures:
    –Metals such as amalgam

    –Newer composite restorations

    –Enamel

    –Dentin

    –Compact or cortical bone
  5. To recognize disease, the clinician must ?
    • recognize the normal radiographic appearance and anatomy visible on radiographs.
    • Alveolar bone
    • Cortical bone
    • Alveolar bone
    • Lamina dura
    • Periodontal ligament space
    • Cementum
  6. Cortical Bone in Maxilla is ____
    a thin shell.
  7. Cortical bone in Mandible is?
    • dense;
    • appears as a thick white border.
  8. normal level of crest of the Alveolar Bone is?
    about 2 mm apical to the CEJ.
  9. If the coronal bone level is within 3 mm of the CEJ, it is considered normal?
    yes
  10. Crestal contour of the Interdental Bone is a good indicator of?
    • periodontal health.
    • The contour should be parallel to a line drawn between CEJs of adjacent teeth.
    • Surfaces of the bony crests are smooth and covered with a thin layer of cortical bone.
    • Seen as a thin white line on radiograph
  11. When the CEJs of adjacent teeth are of the same level, the crest of the interproximal bone will have a?
    horizontal contour.
  12. When one of the adjacent teeth is tilted or erupted to a different height, the crest of the interproximal bone will have a?
    vertical contour.
  13. The crest of the interdental septa between posterior teeth should be _______.
    rounded or flat.
  14. The crest of the interdental septa between anterior teeth should be _____.
    thin and pointed.
  15. Lamina Dura:
    • Thin layer of dense bone that lines a normal tooth socket
    • Appears as a continuous white line around the tooth root
    • Radiographically, it is continuous with cortical bone layer of the crest of the interdental septa
Author
dentalhygiene
ID
337960
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DHE119 Rad analysis Slides 1-18 Quiz#4
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DHE119 Rad analysis Slides 1-18 Quiz#4
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