DENTAL SEALANTS CH. 59 EXAM
QUESTIONS AND ANSWERS
Describe the purpose of dental sealants - Correct Answers -To prevent dental caries in
the pits and fissures of teeth
Explain the clinical indications for dental sealants - Correct Answers -Deep pits and
fissures, teeth only
Why is clear sealant material less desirable? - Correct Answers -It is more difficult to
evaluate
What is the difference between filled and unfilled sealants with regard to retention
rates? - Correct Answers -There is no difference
Sealants are placed _________. - Correct Answers -In pits and fissures
What is the range of shelf life of sealant materials? - Correct Answers -18 to 36 months
Explain the clinical contraindications to dental sealants - Correct Answers -Patient
cooperation is important.
Dry area.
Discuss the two types of polymerization - Correct Answers -Addition: Double bond-
forming new bonds
Condensation: Two monomer molecules react together and form a byproduct
Explain the most important factor in sealant retention - Correct Answers -Moisture
contamination and inadequate etching.
They should be examined to make sure there is no damage
Resin material applied to the pits and fissures of teeth is a(n) _________ __________. -
Correct Answers -Dental Sealant
__________ is the process of changing a simple chemical into another substance that
contains the same elements - Correct Answers -Polymerization
A type of material that is polymerized by chemical reactions is _________. - Correct
Answers -Self-cure
QUESTIONS AND ANSWERS
Describe the purpose of dental sealants - Correct Answers -To prevent dental caries in
the pits and fissures of teeth
Explain the clinical indications for dental sealants - Correct Answers -Deep pits and
fissures, teeth only
Why is clear sealant material less desirable? - Correct Answers -It is more difficult to
evaluate
What is the difference between filled and unfilled sealants with regard to retention
rates? - Correct Answers -There is no difference
Sealants are placed _________. - Correct Answers -In pits and fissures
What is the range of shelf life of sealant materials? - Correct Answers -18 to 36 months
Explain the clinical contraindications to dental sealants - Correct Answers -Patient
cooperation is important.
Dry area.
Discuss the two types of polymerization - Correct Answers -Addition: Double bond-
forming new bonds
Condensation: Two monomer molecules react together and form a byproduct
Explain the most important factor in sealant retention - Correct Answers -Moisture
contamination and inadequate etching.
They should be examined to make sure there is no damage
Resin material applied to the pits and fissures of teeth is a(n) _________ __________. -
Correct Answers -Dental Sealant
__________ is the process of changing a simple chemical into another substance that
contains the same elements - Correct Answers -Polymerization
A type of material that is polymerized by chemical reactions is _________. - Correct
Answers -Self-cure