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

I tried my best to answer them, but am not sure if they are correct, please correct me if you find any wrong answer.



which of the following non suger sweeteners have a positive anti-caries effect?
d) xylitol


which of the following statements are true ?
b) chlorhexidine is an effective plaque control agent that may have a selective effect on cariogenic bacteria.


pit and fissure selants :
a) when properly applied are retained for(5-10 years)


the parotid duct opens into the oral vestibule :
a) opposite the second upper molar

of the following , the highest incidence of pulp necrosis is associated with :
d) class five preparations on root surface

the most effective caries preventive fluoride regimen is :
d) fluoride gel


sugars that are most cariogenic are :
a)extrinsic sugars