mod 8, ch 19 test 2

where do extrinsic stains occur? can they be removed by polishing, scaling, or brushing?

which stains occur within the tooth substance and cannot be removed by techniques of scaling or polishing?

which stains may be extrinsic and stay on the outer surface of the tooth or intrinsic and become incorporated within the tooth structure?

which stain develops or originates from sources outside the tooth?

which stains develop or originate from within the tooth?

which stains are always intrinsic and usually are discolorations of the dentin reflected through enamel?

coffee stains are primarily what concern?

heavy deposits may penetrate the enamel and become exogenous intrinsic, which type of stain is this?

t/f discoloration may be generalized or limited to specific parts of individual teeth that were developing at the time of administration of the antibiotic
True False

_____ _____ can affect a single tooth, white spots may become stained as in systemic hypoplasia

how does silver amalgam enter the tooth?

CHX and alexidine are used in mouthrinses and are effective against what?

t/f tetracycline may be generalized or limited to specific parts of teeth that were developing at time of administration
True False

which stains may become intrinsic from exogenous source?