What increases the flow of saliva and reduces the acid to the teeth? (found in chewing gum)
XYLITOL
Disease producing bacteria found in large numbers in dental plaque
Mutans Streptococci
The carious process can be slowed or prevented by _______
using fluoride
The primary reason why very few children are protected by dental sealants is ________
lack of public awareness
Early Childhood Disease (ECC) affects _____ of preschool children. It is an infectious disease.
10%, half of, 2/3 of, 1/3 of
1/3 of preschool children
True or False
Some brands of sealant material contain fluoride that is released after polymerization?
true
What is the percentage of properly placed dental sealants that are effective in protecting development of cavities?
100%
Sealant materials are supplied in 3 colors. What are they?
clear, tinted and opaque (white)
____________ is the carious lesion most commonly found in elderly patients
>incipient caries >rampant caries >root caries >secondary caries
root caries
The first stage of incipient caries, or lesions, occurs when ______________________________
there is DEMINERALIZATION of the enamel
Dental caries _________ if sealant material remains in place?
> may occur
> will occur only if using filled sealant material
> will occur
> will not occur
will NOT occur
Placing too much sealant material in the contact areas can result in ______ and may be alleviated by ______ .
blocked contacts and flossing
What is the purpose of a filler material in the sealant?
to make it more wear resistant
By what means are Caries detection dyes used to aid in earlier caries detection
use of explorer
use of color
use of radiographs
by using color
This disease can occur on the tooth/teeth that surround a restoration
recurrent decay
When properly placed, sealants can usually last ____
5 - 10 years
Which is true when the margins of amalgam and composite restorations are sealed:
> prevents microleakage
> arrest the progression of caries
> prevents existing restorations
> preserve tooth structure
> prevents microleakage
> arrest the progression of caries
> preserve tooth structure
Methods of polymerization include:
self cured and light cured
Only ____ % of children are protected by dental sealants due to lack of public awareness
10%, 20%, 30%, 40%
30%
_______ is recommended for patients with known arcylate allergies
not placing sealants
using the "no touch" technique
in order to obtain complete coverage of the tooth with sealant material without voids, the operator should _________
use a mouth mirror and an explorer, gently trace the sealant
The caries process requires a :
> susceptible tooth
> a diet rich in _____________
> ________________________
fermentable carbohydrates:
specific bacteria ( mutans streptococci and lactobacilli)
Microabrasion is sometimes used before sealants are applied to:
to etch the tooth structure
to remove any slight decay
Besides moisture contamination, what else is a factor of sealant retention?
inadequate etching time
Most sealant failures will occur within _______
the 1st 3-6 months