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Process I: Tooth Stain > Introduction > Flashcards

Flashcards in Introduction Deck (5)
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1
Q

stains can serve as a what for plaque attachment and are often an aesthetic concern to the patient.

A

nidus

2
Q

stains occurs in 3 ways

A
  1. stain directly on the tooth surface
  2. stain on plaque and calculus
  3. stain within the tooth surface
3
Q

list the classification of stains by location

A
  • extrinsic stain
  • —on outside of tooth/ can be removed on surface of enamel or exposed cementum or dentin; can be attached to acquired pellicle, plaque, calculus, or directly to tooth
  • intrinsic stain
  • —occurs within structure of tooth, cannot be removed; in surface of enamel or cementum or dentin
4
Q

described by source

A
  • exogenous stain
  • —develops or originates from sources outside the tooth; may be extrinsic or intrinsic, i.e., may or may not be able to remove it.
  • endogenous stain
  • –developes or originates from within the tooth; always intrinsic and cannot be removed:
    1. tetracycline
    2. trauma
    3. pulpless tooth
5
Q

what classification by location and source cannot be:

A

cannot have endogenous extrinsic–originates inside, occurs outside