EFDA Study Exam (Sealants) questions
and answers with solutions
What is one of the contraindications for the use of a sealant application?
-teeth w/deep pits
-recently erupted tooth
-deeply fissured tooth
-teeth w/shallow, open groves
teeth w/shallow, open groves
Which of the following represents the correct order of steps in placing a light-cured sealant?
-pumice polish, etch, rinse, dry, apply sealant, light cure
-dry, pumice polish, etch, dry, rinse, apply sealant, light cure
-etch, rinse, dry, apply sealant, light cure, pumice polish
pumice polish, etch, rinse, dry, apply sealant, light cure
What is the effective percentage rate of a properly placed sealant in preventing the
development of cavities?
-100
-70
-90
-80
100
What is one of the indications for sealant placement?
-proximal surface decay
-shallow occlusal surface
-deep or stained fissures
-deep dental decay
deep or stained fissures
Sealant use is contraindicated for decay prevention in which of the following situations?
-tooth is newly erupted
-presence of interproximal decay
-presence of deep pits and fissures
-patient is at high risk for developing decay
, presence of interproximal decay
One DISADVANTAGE of using unfilled resins as dental sealants is that unfilled resins
-contain glass particles but not quartz
-contain quartz but not glass particles
-have less resistance to wear
-have increased tensile strength
have less resistance to wear
What is one of the key factors to assure successful sealant retention?
-minimize surface mineralization
-maximize surface area
-minimize surface fluoride
-maximize surface wettability
maximize surface area
How will a tooth that is adequately conditioned for a sealant appear?
-smooth and burnished
-glossy and white
-clear and iridescent
-dull and frosty
dull and frosty
Which step in the sealant placement procedure creates pores in the surface of the enamel that
mechanically lock the sealant to the tooth?
-polishing the tooth w/pumice
-curing the sealant w/the light
-conditioning the tooth w/acid
-drying the tooth for 10 seconds
conditioning the tooth w/acid
What is the primary source of retention for a sealant?
-chemical bonding of the resin with the enamel crystals
-mechanical etching of the enamel surface
-systemic release of enamel-forming cells
-macrobiotic preservation of the enamel tubules
mechanical etching of the enamel surface
and answers with solutions
What is one of the contraindications for the use of a sealant application?
-teeth w/deep pits
-recently erupted tooth
-deeply fissured tooth
-teeth w/shallow, open groves
teeth w/shallow, open groves
Which of the following represents the correct order of steps in placing a light-cured sealant?
-pumice polish, etch, rinse, dry, apply sealant, light cure
-dry, pumice polish, etch, dry, rinse, apply sealant, light cure
-etch, rinse, dry, apply sealant, light cure, pumice polish
pumice polish, etch, rinse, dry, apply sealant, light cure
What is the effective percentage rate of a properly placed sealant in preventing the
development of cavities?
-100
-70
-90
-80
100
What is one of the indications for sealant placement?
-proximal surface decay
-shallow occlusal surface
-deep or stained fissures
-deep dental decay
deep or stained fissures
Sealant use is contraindicated for decay prevention in which of the following situations?
-tooth is newly erupted
-presence of interproximal decay
-presence of deep pits and fissures
-patient is at high risk for developing decay
, presence of interproximal decay
One DISADVANTAGE of using unfilled resins as dental sealants is that unfilled resins
-contain glass particles but not quartz
-contain quartz but not glass particles
-have less resistance to wear
-have increased tensile strength
have less resistance to wear
What is one of the key factors to assure successful sealant retention?
-minimize surface mineralization
-maximize surface area
-minimize surface fluoride
-maximize surface wettability
maximize surface area
How will a tooth that is adequately conditioned for a sealant appear?
-smooth and burnished
-glossy and white
-clear and iridescent
-dull and frosty
dull and frosty
Which step in the sealant placement procedure creates pores in the surface of the enamel that
mechanically lock the sealant to the tooth?
-polishing the tooth w/pumice
-curing the sealant w/the light
-conditioning the tooth w/acid
-drying the tooth for 10 seconds
conditioning the tooth w/acid
What is the primary source of retention for a sealant?
-chemical bonding of the resin with the enamel crystals
-mechanical etching of the enamel surface
-systemic release of enamel-forming cells
-macrobiotic preservation of the enamel tubules
mechanical etching of the enamel surface