TOPIC 4 DENTAL SEALANTS QUIZ
What is the primary reason that few children are protected by dental sealants? - Correct
Answers -There is a lack of public awareness
Why are sealants contraindicated with proximal decay? - Correct Answers -Posterior
proximal tooth preparation will usually include the occlusal pits and fissures
Which statement is correct regarding a properly placed sealant over small initial carious
lesions? - Correct Answers -The number of bacteria in small carious lesions decreases
over time.
What is the most common cause of sealant loss? - Correct Answers -Moisture
contamination during placement
If you use an air polishing device that uses sodium bicarbonate for cleaning enamel
before sealant placement, the etching step should be repeated for a second time, or
_____ should be applied to the surface for 10 seconds to neutralize the sodium
bicarbonate and then thoroughly rinsed off with water before applying the etch. - Correct
Answers -3% hydrogen peroxide
Which technique is sometimes used before sealant application to open fissures and
remove slight decay? - Correct Answers -Microabrasion
The first step in placing dental sealants is to _____ the surface. - Correct Answers -
clean
Properly placed dental sealants are ___% effective in protecting against development of
caries in sealed surfaces. - Correct Answers -100
What item can be used in interproximal spaces to prevent the etchant from contacting
adjacent teeth during the etching procedure? - Correct Answers -Mylar strip
Self-cured sealant materials are supplied as a two-part system that includes what
components? - Correct Answers -A base and a catalyst
Which statement describes why pits and fissures are more susceptible to decay than
smooth surfaces? - Correct Answers -They do not benefit from the effects of fluoride.
The enamel at the base of fissures is thinner.
Saliva cannot clean deep pits and fissures.
What is the primary reason that few children are protected by dental sealants? - Correct
Answers -There is a lack of public awareness
Why are sealants contraindicated with proximal decay? - Correct Answers -Posterior
proximal tooth preparation will usually include the occlusal pits and fissures
Which statement is correct regarding a properly placed sealant over small initial carious
lesions? - Correct Answers -The number of bacteria in small carious lesions decreases
over time.
What is the most common cause of sealant loss? - Correct Answers -Moisture
contamination during placement
If you use an air polishing device that uses sodium bicarbonate for cleaning enamel
before sealant placement, the etching step should be repeated for a second time, or
_____ should be applied to the surface for 10 seconds to neutralize the sodium
bicarbonate and then thoroughly rinsed off with water before applying the etch. - Correct
Answers -3% hydrogen peroxide
Which technique is sometimes used before sealant application to open fissures and
remove slight decay? - Correct Answers -Microabrasion
The first step in placing dental sealants is to _____ the surface. - Correct Answers -
clean
Properly placed dental sealants are ___% effective in protecting against development of
caries in sealed surfaces. - Correct Answers -100
What item can be used in interproximal spaces to prevent the etchant from contacting
adjacent teeth during the etching procedure? - Correct Answers -Mylar strip
Self-cured sealant materials are supplied as a two-part system that includes what
components? - Correct Answers -A base and a catalyst
Which statement describes why pits and fissures are more susceptible to decay than
smooth surfaces? - Correct Answers -They do not benefit from the effects of fluoride.
The enamel at the base of fissures is thinner.
Saliva cannot clean deep pits and fissures.
