Dental Materials

what is the optimal level in drinking water?

what is a common cause of fluorosis in children? (oh that looks yummy I think I shall eat it?)

what type of fluoride has the largest benefits?

what is the neutral pH of the mouth?

what pH does the tooth minerals dissolve and cavities start?

at what pH does fluorapatite dissolve?

t/f fluoride remains in saliva for several hours
True False

what are two common in office fluoride products?

what are three prescription at home use fluoride products?

what are three OTC home use fluoride products?

what are two forms of systemic fluoride?

in office topical fluoride should be applied how often?

if in office topical fluoride is applied twice a year how much will it reduce decay?

t/f clorhexidine can cause black stain, calculus formation and affects to taste
True False

sealing _____ caries reverses caries to inactive in ___%

t/f you can seal if the caries is into the dentin
True False

what teeth are the most susceptible to pit/fissure caries?

what teeth most commonly lose the sealant? why?

t/f you seal all molars no matter what
True False

the light cure system leaves a ______ ______ layer on the surface of the filling that does NOT _______

t/f oxygen in the air inhibits the set of the resin on the surface of a sealant
True False

moisture=_______

what teeth are most commonly have moisture failure?

what is the worst type of sealant failure?

what are two contraindications to sealants?

what are four causes of root sensitivity (red ones only and HINT HINT can be fixed with desensitizing agent)

what are two ways to fix root sensitivity?

what is the most common desensitizing agent? and how long does it take until you get relief?

t/f the desensitizing agent chemical passes through the tubules to act directly on the nerve
True False

what are three things you can treat that cause sensitivity (in red only)

what is the thickness ofa professionally made sports guard?

for heavy contact sports how thick should the sports guard be?

what % of energy is absorbed from a traumatic blow to the mouth?

where does the a mouth guard cover?

t/f a mouth guard occasionally covers both arches
True False

t/f a mouth guard can protect lips from lacerations
True False

where are hard acrylic mouth guards made?

t/f there is more chair time to adjust hard acrylic mouth gaurds tahn thermoplastic sheets of polyethylene material
True False

what are three important things to do for maintenaance of a mouth guard?

bleaching passes through the _____- and oxidizes pigments in ____-

what colors are often extrinsic stain?

what colors are easier to bleach?

what color is often intrinsic stain?

what colors is harder to bleach

______ is often added to bleaching materials to decrease tooth sensitivity?

what chemicals for the tissues cause staining of the dentin?

what type of bleaching is termed walking bleach?

what is amosan?

what type of bleaching is in custom formed plastic trays worn for 30 minutes or overnight twice daily for two weeks

what should be done if patients have decay or leaking restoartions when trying to bleach? why?