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what is a substance applied with a toothbrush or other applicator?
what are three uses of dentifrice?
Remove biofilm, stain, deposit removal
application of therpeutic agents (fluoride, desensitizing agent)
superficial cosmetic effects (whitening, stain removal)
how does dentifrice reduce biofilm? (what substances are used in the dentifrice)
prevents attachment of bacteria to tooth surface
what substance are used in the dentifrice to reduce biofilm?
what does triclosan + copolymer (PVM/MA)=
increase substantivity (lasts longer)
what is in vivo mean?
in someones mouth
what does in vitro mean?
what is the primary agent that is shown efficacy in reducing gingival inflammation?
what is put in dentifrice to prevent caries/hypersensitivity?
what % of potassium nitrate reduces dentin hypersensitivity?
what does the fluoride in the dentifrice help do?
remineralization (prevent caries and sensitivity)
what are four ingredients used to help reduce supra calc formation?
what are two things cosmetic results from dentifrice are based on?
mechanical removal of stained biofilm
what are the five things most dentifrices contain?
how are dentifrices primarily sold?
pastes and gels
what % of a dentifrice is water?
what % of dentifrice is therapeutic agent?
a ______ dentifrice has a drug or chemical agent added for a specific preventive or therapeutic action
what % of dentifrice is detergents?
what is the foaming action of dentifrice?
what are five purposes of detergents?
lower surface tension
penetrate and loosen surface deposits
moistens and lifts off tooth
emulsify debris for easy removal by tb
what substance are used as detergents? (2)
sodium lauryl sulfate
sodium N-lauryl sarcosinate
what are three purposes for abrasives?
cleans well with no damage to tooth
polishing agent used to produce smooth surface
a smooth surface can prevent or delay the reaccumulation of staisn and deposits
what abrasives are used (4)
hydrated aluminum oxide
silica, silicates and dehydrated silica gels
what are the thickeners of dentifrice
what are two purposes of binders?
stabilize the formulation
prevent separation of the solid and liquid ingredients during storage
what types of binders are used? (4)
what are two purposes of humectants?
prevents hardening when exposed to air
what are three substances used as humectants?
what component of dentifrice prevents hardening?
what component of dentifrice is the foamin agent?
what are two purposes of preservatives?
prevent bacterial growth
prolong shelf life
what are three substances used as preservatives?
what % of dentifrice is preservatives
what % of dentifrice is humectants?
what % of dentifrice is binders?
what % of dentifrice is abrasives?
what % of dentifrice is flavoring agents?
what are two purposes for flavoring agents?
impart a pleasant flavor for pt acceptance
mask other ingrediants
what are 3 substances used for flavoring agents?
t/f the substances used for flavoring agents are also used for humectants
what are four preventative uses of dentifrice?
Dentifrices, Mouthrinses and Irrigation