Dental Anatomy

  1. what is the junction between the tooth surface and the gingival tissue?
    dentogingival junction
  2. where is the dnetogingival junction?
    at the junction between the tooth surface and the gingival tissues
  3. what two types of epithelium make up the dentogingival junction?
    sulcular epithelium and junctional epithelium
  4. dentogingival junction= _______ epithelium + ______ epithelium
    • sulcular
    • junctional
  5. the ____ epithelium stands away from the tooth creating gingival sulcus
  6. the sulcular epithelium stands away from the tooth creating what?
    gingival sulcus
  7. what is the measurement for healthy gingiva?
    .5 to 3 mm
  8. what is the normal gingival fluid flow rate?
    1-2 microliters per tooth per hour
  9. the normal ______ ______ _____ ____ is 1-2 microliters per tooth per hour
    gingival fluid flow rate
  10. what epithelium is a deeper extension of sulcular epithelium and lines the floor of the gingival sulcus
    junctional epithelium
  11. where does the junctional epithelium attach on the tooth?
    enamel, cementum or dentin
  12. _____ epithlium is thinner than _____ epithelium
    • junctional
    • sulcular
  13. how many cells thick is the JE at the coronal portion?
    15-30 cells
  14. how many cells thick is the JE at the apical portion?
    3-4 cells
  15. what portion is the JE 15-30 cells thick?
    coronal portion (floor of gingival sulcus)
  16. at what protion is the JE 3-4 cells thick
    apical portion
  17. what are two clinical considerations with gingival tissues?
    • gingival recession
    • gingival hyperplasia
  18. what are 6 causes for gingival recession?
    • perio disease
    • tooth position
    • toothbrush abrasion
    • frenal attachements
    • abfraction
    • aging
  19. what does gingival hyperplasia affect? (2)
    epithelium and lamina propria
  20. what kind of meds cause gingival hyperplasia (3)
    • seizure control drugs (phenytoin)
    • antibiotics
    • heart meds
  21. ____ _____ can be an increase output of certain types of fibroblasts
    gingival epithelium
  22. the amount of _______ with gingival hyperplasia can be related to ____ ____ combined with bacterial ______
    • overgrowth
    • drug dose
    • biofilm
  23. what is the treatment for gingival hyperplasia?
    removal of overgrowth
  24. what are four examples of causes for gingival hyperplasia
    • meds
    • increase fibroblasts
    • drug dose and biofilm
    • orthodontics
  25. t/f orthodontics can cause gingival hyperplasia
    true giggity
  26. what are four clinical considerations with the junctional epithelium
    • permeable tissue
    • gingivitis
    • gingival fluid
    • exudate
  27. the junctional epithelium is permeable the ____ ____ ___ and ____ ______ infiltrate
    • white blood cells
    • biofilm microorganisms
  28. what are four signs of gingivitis
    • inflammation
    • epithelial ulceration
    • tissue thinning
    • increased sulcular fluid
  29. what supplies minerals for subgingival calculus formation?
    gingival fluid
  30. t/f exudate can be measured to indicate the activity of disease
Card Set
Dental Anatomy
oral mucosa