CHAPTER 37: SEALANTS EXAM
QUESTIONS AND ANSWERS
A. Because topically applied fluorides protect smooth tooth surfaces more than occlusal
surfaces, a method to reduce the incidence of occlusal dental caries is needed. B. The
incidence of new pit and fissure caries can be lowered significantly by the application of
adhesive sealants. - Correct Answers -Statement A is correct and statement B is correct
All of the following are included in pit and fissure anatomy except: - Correct Answers -
long wide pits.
All of the following are true about microscopic examination of pits and fissures after
sealant application except: - Correct Answers -cleaning agents assist sealant
penetration to the bottom.
Some incipient carious lesions may be arrested with the application of pit and fissure
sealants. An adult patient with xerostomia is contraindicated for sealant placement. -
Correct Answers -Statement A is correct and statement B is incorrect
Which of the following is the definition of incipient caries? - Correct Answers -Beginning
caries limited to the enamel
Which of the following is the major reason for sealant failure? - Correct Answers -
Salivary contamination
Which of the following is true for completion of the etching process? - Correct Answers -
Rinse thoroughly and then dry
The acid etchant used for preparing a tooth for pit and fissure sealants is usually which
ingredient? - Correct Answers -Phosphoric acid
What are the purposes of isolating the teeth being sealed? - Correct Answers -To keep
the teeth from saliva contamination
What are the three types of sealant currently available? - Correct Answers -Filled,
unfilled, and fluoride releasing
QUESTIONS AND ANSWERS
A. Because topically applied fluorides protect smooth tooth surfaces more than occlusal
surfaces, a method to reduce the incidence of occlusal dental caries is needed. B. The
incidence of new pit and fissure caries can be lowered significantly by the application of
adhesive sealants. - Correct Answers -Statement A is correct and statement B is correct
All of the following are included in pit and fissure anatomy except: - Correct Answers -
long wide pits.
All of the following are true about microscopic examination of pits and fissures after
sealant application except: - Correct Answers -cleaning agents assist sealant
penetration to the bottom.
Some incipient carious lesions may be arrested with the application of pit and fissure
sealants. An adult patient with xerostomia is contraindicated for sealant placement. -
Correct Answers -Statement A is correct and statement B is incorrect
Which of the following is the definition of incipient caries? - Correct Answers -Beginning
caries limited to the enamel
Which of the following is the major reason for sealant failure? - Correct Answers -
Salivary contamination
Which of the following is true for completion of the etching process? - Correct Answers -
Rinse thoroughly and then dry
The acid etchant used for preparing a tooth for pit and fissure sealants is usually which
ingredient? - Correct Answers -Phosphoric acid
What are the purposes of isolating the teeth being sealed? - Correct Answers -To keep
the teeth from saliva contamination
What are the three types of sealant currently available? - Correct Answers -Filled,
unfilled, and fluoride releasing
