Which of the following non suger sweeteners have a positive anti-caries effect?
a) aspartame
b) sorbitol
c) maltitol
d) xylitol
Which of the following statements are true ?
a) routine polishing prior to topical fluoride application provides no additional benefit.
b) chlorhexidine is an effective plaque control agent that may have a selective effect on cariogenic bacteria.
c) fibrous food increase keratinization of the gingival epithelium.
d) a&b
e) b
Pit and fissure selants :
a) when properly applied are retained for(5-10 years)
b) are ineffective in caries high-risk individuals
c) when lost from a tooth puts it at risk for caries due to etching
The most important dietary factor in determining caries experience is :
a) the frequency of suger intake
b) the quantity of sugar intake
c) the type & consistency of the sugar
d) a & c
The parotid duct opens into the oral vestibule :
a) opposite the second upper molar
b) opposite the first upper molar
c) opposite the third upper molar
d) at the level of the vestibule
Of the following , the highest incidence of pulp necrosis is associated with :
a) full crown preparations
b) inlay preparations
c) partial veneer restorations
d) class five preparations on root surface
The most effective caries preventive fluoride regimen is :
a) low concentration frequent ( daily) application
b) high concentration less frequent application
c) fluoride tablets
d) fluoride gel
Sugars that are most cariogenic are :
a)extrinsic sugars
b) intinsic sugars
c) glucose
d) fructose
