ch 32 radiology

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jackiedh
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48821
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ch 32 radiology
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2010-11-10 21:30:02
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interpretation periodontal disease
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ch 32 radiology
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  1. the tissues that invest and support the teeth, such as the gingiva and alveolar bone:
    periodontium
  2. what three landmarks of the alveolar bone are included in the normal anatomic landmarks?
    • lamina dura
    • alveolar crest
    • periodontal ligament space
  3. in health, the lamina dura around the roots appear as a dense __________ line
    radiopaque
  4. the normal healthy alveolar crest is located approximately____-_____ mm apical to the CEJ of adjacent teeth
    1.5-2
  5. does the shape and density of the alveolar crest vary between the anterior and posterior regions in the mouth?
    yes
  6. the anterior regions of the alveolar crests are ____ and ______, but in the posterior it appears _________ , smooth and _________ to a line between adjacent CEJ's.
    • sharp and pointed
    • flat
    • parallel
  7. which appears slightly less radiopaque? the anterior or posterior alveolar crest?
    posterior
  8. a normal periodontal ligament space appears as a thin _________ line between the root of the tooth and __________ ________
    • radiolucent
    • lamina dura
  9. what does periodontal mean?
    around the tooth
  10. a group of diseases that affects the tissues around the teeth:
    periodontal disease
  11. superficial inflammation of the gingiva to the destruction of the supporting bone and periodontal ligament is:
    periodontal disease
  12. how will gingival tissues affected by periodontal disease NOT appear: (3)
    stippled, pink, firm
  13. periodontal disease in gingival tissues appear: (4)
    red, swollen, bleeding, and pocket of soft tissue
  14. The CEJ's on a radiograph with periodontal disease no longer appear:
    radiopaque
  15. periodontal disease may result in severe _________ of bone and loss of _______
    • destruction
    • teeth
  16. a clinical exam must be performed by who?
    the dentist and dental hygienist
  17. what should be included in a clinical exam? (2)
    • evaluation of soft tissues (gingiva)
    • signs of inflammation
  18. what must be included in a thorough clinical assessment?
    probing
  19. what is the film of choice for evaluating periodontal disease?
    periapical with the paralleling technique
  20. the vertical bite-wing radiograph can be used to examine bone levels and is best used as a ___________ or _________-___ film
    • posttreatment
    • follow-up
  21. why might the furcation area not be seen on a radiograph?
    because of the superimposition of the buccal and lingual bone
  22. T/F a radiograph allows the dental professional to view the amount of bone lost rather that the amount remaining
    false! view the amount remaining rather than the amount lost
  23. the difference between the physiologic bone level and the height of remaining bone =
    bone loss
  24. _____ ______ can be describe in terms of pattern, distribution, and severity of loss
    bone loss
  25. the pattern of bone loss can be described as ________ or _________
    vertical or horizontal
  26. with ________ bone loss, the bone loss occurs in a plane parallel to the CEJ's of adjacent teeth
    horizontal
  27. with ________ bone loss (angular bone loss) the bone loss does not occur in a plane parallel to the CEJs of adjacent teeth
    vertical
  28. distribution of bone loss can be: (2)
    • generalized
    • localized
  29. which bone loss occurs in isolated areas with less than 30% of sites involved?
    localized bone loss
  30. which bone loss occurs evenly throughout the dental arches, with more than 30% of the sites involved?
    generalized
  31. the severity of bone loss is described as: (3)
    • slight
    • moderate
    • severe
  32. the measurement of the distance in millimeters from the CEJ to the base of the sulcus or periodontal pocket is:
    CAL clinical attachment loss
  33. bone loss: 1-2mm:
    slight
  34. bone loss: 3 to 4 mm
    moderate
  35. bone loss: 5mm or greater
    severe
  36. ADA Case Type I:
    gingivitis
  37. ADA Case Type II
    mild or slight periodontitis
  38. ADA Case Type III
    moderate periodontitis
  39. ADA Case Type IV
    advanced or severe periodontitis
  40. is there radiographic change seen on a radiograph in the bone for a type I disease?
    no
  41. what case type are mild crestal changes?
    case type II mild or slight periodontitis
  42. the lamina dura becomes unclear and fuzzy and no longer appears to be a continuous radiopaque line. Horizontal bone loss is seen more often in this type of disease
    type II mild or slight periodontitis
  43. 3-4mm apical to CEJ, clinically BOP may occur, pocket depths from attachment loss may be present and areas of recession may be seen in this type:
    type II mild or slight periodontitis
  44. which type might horizontal or vertical bone loss be present, localized or generalized?
    type III moderate periodontitis
  45. alveolar bone level 4-6 mm apical to the CEJs of adjacent teeth. furcation involvement or the extension of perio between the roots of the multirooted teeth may be seen with this disease type:
    type III moderate periodontitis
  46. recession, furcation involvement areas, and slight mobility = type:
    type III moderate periodontitis
  47. the pattern of bone loss may be horizontal or vertical and the alveolar bone level is 6mm or greater from the CEJ.
    type IV advanced or severe periodontitis
  48. the effect of certain _________, tobacco use, and someone with ________ are predisposing risk factors for perio
    • medications
    • diabetes
  49. a stonelike concretion that forms on the crowns and roots of teeth due to calcification of bacterial plaque
    calculus
  50. calculus on a radiograph appears as a pointed or irregular radiopaque projection extending from the _____ _____ surfaces
    proximal root
  51. may appear as a ringlike radiopacity encircling the cervical portion of the tooth, nodular projection, or smooth radiopacity on a root surface:
    calculus
  52. _______ ________ act as potential food traps and lead to the accumulation of food debris and bacterial deposits
    defective restorations
  53. T/F open or loose contacts of restorations, uneven marginal ridges, overhangs, and inadequate margins contribute to periodontal disease
    true

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