DH Theory 2

  1. a pocket formed by gingival enlargement without apical migration of the junctional epithelium
    gingival pocket
  2. In a gingival pocket, the margin of the gingiva has moved toward the ______ or _____ without deeper periodontal structures being involved
    • incisal
    • occlusal
  3. What is the tooth wall of a gingival sulcus?
  4. All gingival pockets are suprabony/intrabony?
  5. a pocket formed as a result of disease or degeneration that caused the JE to migrate apically along the cementum
    periodontal pocket
  6. Ther periodontal deeper structures that are involved in periodontal pockets are known as what?
    • attachment apparatus:
    • cementum
    • periodontal ligament
    • bone
  7. What is the tooth wall of a periodontal pocket?
    cementum or partly cementum and partly enamel
  8. Periodontal pockets may be suprabony/intrabony?
  9. pocket in which the base of the pocket is below or apical to the crest of the alveolar bone
  10. pocket in which the base of the pocket is below or apical to the crest of the alveolar bone
  11. A pocket is ______ and the pocket epithelial lining is adjacent to and follows the ______ __ ___ _____
    • narrow
    • contour of the tooth
  12. When calculus deposits are present, the pocket wall follows the ________ __ ___ _______
    contour of the calculus
  13. What are 5 substances that may be found inside a pocket as part of the subgingival biofilm?
    • Microorganisms and their products
    • gingival sulcus fluid
    • desquamated epithelial cells
    • leukocytes
    • purulent exudate made up of living and broken down leukocytes, living and dead microorganisms, and serum
  14. Name 5 pocket development factors
    • pocket deepens from biofilm
    • PDL fibers become detached and JE migrates apically
    • cementum becomes exposed
    • physical, structural and chemical changes alter cementum
    • surface changes occur
  15. One of the factors of pocket development is surface changes, what causes these to occur?
    exchange of minerals with oral fluids and exposure to biofilm bacteria and their products
  16. What are 4 surface changes that can occur during pocket development?
    • hypermineralization of cementum (also mineralizes calculus)
    • demineralization
    • calculus formation in layers
    • dental biofilm and debris collection
  17. How are surface irregularities detected supragingivally?
    • drying surface and observing under adequate light
    • may need an explorer
  18. How are surface irregularites detected subgingivally?
    tactile and auditory sensitivity transmitted by a probe and explorer
  19. structural defects such as cracks and grooves
    demineralization from cavities
    calculus deposites and heavy stain
    erosion and abrasion
    pits and irregularities from hypoplasia
    All cause surface roughness on what surface?
  20. true or false. the cementoenamel junction relationship can cause surface roughness
  21. In what percent of teeth does cementum overlap enamel?
  22. In what percent of teeth do cementum and enamel meet in the middle?
  23. in what percent of teeth is there a gap between the cementum and the enamel?
    Does this case cause sensitiviy?
    • 10%
    • yes!
  24. diseased or altered cementum
    cemental resorption
    root caries
    deficient or overhanging filling
    grooves from previous incomplete instrumentation
    all cause surface roughness on what surface?
  25. The clinical attachment level and bone loss have extended into the area between the roots of a multirooted tooth
    furcation involvement
  26. What is furcation involvement classified by? And how many general classes are there?
    • the amount of a furcation exposed by periodontal bone destruction
    • 4
  27. Early, beginning furcation involvement. probe can enter the furcation area, and the anatomy of the roots on either side can be felt by moving the probe from side to side
    Class I
  28. Moderate furcation involvement. bone has been destroyed to an extent that permits a probe to enter the furcation area but not pass through between the roots
    Class II
  29. Severe furcation involvement. a probe can be passed between the roots through the entire furcation. There is no bone coverage, but still tissue coverage
    Class III
  30. Same furcation involvement as class III, with exposure resulting from gingival recession, especially after periodontal therapy. You can see through the furcation
    Class IV
  31. A pocket that has extended down and into the alveolar mucosa
    mucogingival involvement
  32. What are 3 functions of the attached gingiva?
    • support to marginal gingiva
    • withstand stress of chewing and toothbrushing
    • provide an attachement for the alveolar mucosa
  33. What creates a barrier to passage of inflammation so that inflammation from a pocket area won't initially enter the alveolar mucosa?
    attached gingiva
  34. the ____ ________ acts as a barrier to keep infection outside the body
    Junctional epithelium
  35. What happens to the epithelium with destruction of the connective tissue and PDL?
    epithelium migrates apically along the root
  36. Where does the pocket extend in mucogingival involvement? What happens as a result?
    • extends into the alveolar mucosa
    • infection spreads faster
  37. What are 2 clinical observations of mucogingival involvement?
    • width of attached gingiva
    • base of pocket at mucogingival junction
Card Set
DH Theory 2
week one