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pyrophosphate salts and zinc salts (zinc chloride and zinc citrate) are both __________ ingredients of dentrifice
DETERGENTS have _____ surface tension, penetrate and loosen surface deposits; ______ debris for easy removal; contributes to ______.
sodium laurel sulfate; sodium n-lauryl sarcosinate _________ in dentrifice
detergents ("lauryl" uses laundry "detergent" that "foams")
t/f cleaning and polishing agents in dentrifice clean well without damage to tooth
what is in dentrifice to polish and smooth surface which can prevent or delay reaccumulation of stain or deposit?
cleaning and polishing agent
hydrated aluminum oxide
dehydrated silica gels
are all ______ and ______ ______
cleaning and polishing agents
what part of dentrifice stabilizes formulation; prevents separation of solid and liquid ingredients?
are all _______
in dentrifice, what retains moisture and prevents hardening?
are all _______
_________ prevent bacteria growth and prolong shelf life
are all _______
________ _______ impart pleasant flavor; mask other ingredients that may have less pleasant flavor
essential oils (peppermint, cinnamon, wintergreen)
artificial non-cariogenic sweetener (xylitol, glycerol, sorbitol)
are all ____ ______
mouthrinse goes ___mm into the sulcus
what is the purpose of a mouthrinse? 7
- reduce intraoral microorganisms
- reduce aerosol contamination
- biofilm control
- caries prevention
- remineralization of early caries
- prevent gingivitis
- malodor control
- posttreatment therapy
prolonged use of hydrogen peroxide leads to ______ _____ _____
black hairy tongue
reduces inflammatory mediators
are all _____ ______ purposes
reduce gingivitis and bleeding
reduce or alter biofilm
reduce inflammatory mediators
deliver antimicrobial agents
are all benefits of _______ ______
what are the types of irrigation? 2
- power driven
- nonpower driven
_________ biofilm has gram POSITIVE rods and cocci
how many days does it take for vibrios, spirochetes, and gram NEGATIVE organisms to appear in SUPRAgingival biofilm?
what is the significance of an acquired pellicle? 4
- nidus (adherence) for bacteria
- attachement of calc
what is an acquired pellicle derived from?
GLYCOPROTEINS from the saliva that are selectively adsorbed by the HYDROXYAPETITE of the tooth surface
an acquired pellicle is highly ________
what structures will an acquired pellicle form on? 4
- calc deposits
- complete/partial dentures
the stages in formation of dental biofilm range from ___-____ days
1-2 days = gram _____ cocci in the biofilm
2-4 days = gram _____ cocci (_______) in the biofilm
4-7 days, the flora with gram negative ________ and ________ in the biofilm
7-14 days = vibrios and spirochetes (_______ ________)
14-21 days = vibrios, spirochetes, ______, filamentous form (_______)
recolonization without daily biofilm control = ____ days
___-___ weeks when biofilm is left undisturbed on the tooth surface and gingivitis develops
_____ biofilm is the tooth surface-attached biofilm-over pellicle, covers tooth surface and is associated with calc formation, root caries and root resorption
unattached biofilm-planktonic-free floating biofilm with many WBCs = _______ biofilm
epithelium associated biofilm- advancement of perio infection, once in epithelium goes into bone and starts bone loss = _________ biofilm
biofilm is ____ water
biofilm is ___ organic and inorganic
____-____ percent of microorganisms are in solid matter
are the ______ elements of biofilm
carbs (glucans and fructans or levans) and proteins are _________ elements of biofilm
what is the initiation fo a lesion?
what is lactobacilli?
present in the progression of a lesion
what is an normal/neutral pH?
what is the pH for enamel demineralization?
what is the pH for root demineralization?
these are all foods that _____ the pH
sequence of events for dental caries =
cariogenic food stuff --> dental biofilm -->____ ______ --> demineralization --> ____ _____ microorganisms --> ______ ______ --> lactobacillli
- acid formation
- dental caries microorganisms
- strep mutans
where is the texture effect from biofilm?
mastication effect occlusal and incisal third
loose adherent bacteria/cellular debris
occurs on top of biofilm
same control of biofilm
what is it?
how do you remove materia alba?
with a/w syringe (oral irrigation)
what has visible food particles
food impaction-occurs in facial and lingual embrasures
debris removal = _____ ______