SEALANTS STUDY GUIDE
Approximately, how much decay is found in the pits and fissures?* - Correct Answers -
50-85%
What are the 3 types of pit and fissure openings?* - Correct Answers -U type, V type,
and I type.
Which pit and fissure opening is bottle neck?* - Correct Answers -I type
Which pit and fissure opening is narrower?* - Correct Answers -V type
Which pit and fissure opening is wider?* - Correct Answers -U type
Pit and fissure sealants have been found to be _____% effective in prevention of
occlusal caries when ?* - Correct Answers -99 / the material is completely retained.
What are sealant retention rates after 1 year?* - Correct Answers -90-100%
What are sealant retention rates after 3-7 years?* - Correct Answers -65-85%
Where are sealant retention rates highest? - Correct Answers -Newly erupted teeth, first
molars, and mandibular teeth.
Is there a difference in light cured and self cured material? - Correct Answers -No
What is the majority of sealant failures due too?* - Correct Answers -Operators
technique
What age group is targeted for sealants most? - Correct Answers -Children ages 6-13
A sealant is indicated if a deep _________, ____________, or __________ is present. -
Correct Answers -Fissure, fossa, pit
A sealant is contraindicated if a patients behavior does not permit _______ ? - Correct
Answers -use of an adequate dry field.
What is the greasy film left on top of the sealant called?* - Correct Answers -Air
inhibited layer
, How should the greasy film be removed?* - Correct Answers -Wiped off with a cotton
pellet or rinsed off with water
How far away from the tooth/sealant should the light be held for light cured sealants? -
Correct Answers -1-2 mm
A sealant is contraindicated if there is an _________ ? - Correct Answers -open
occlusal carious lesion.
A sealant is contraindicated if _________ exist on other surfaces of the same tooth. -
Correct Answers -Caries ( particularly proximal lesions )
A sealant is contraindicated if a large _________ is already present. - Correct Answers -
restoration
A sealant is probably indicated if the fossa selected for a sealant placement is
________ _________ from another fossa with a restoration. - Correct Answers -Well
isolated
A sealant is probably indicated if the area selected is confined to a _______ ________
__________. - Correct Answers -Fully erupted fossa
A sealant is probably indicated if the opposite tooth in the mouth is ________ or
__________. - Correct Answers -Carious / Restored
A sealant is probably indicated if there is an ________ ________ in the pit and fissure. -
Correct Answers -Incipient lesion ( early developing caries )
When can a sealant be applied?* - Correct Answers -After the patient has had an
examination and been diagnosed by the dentist.
Sealants must form a strong _________ _________ with the enamel surface in order
for the resin to be effectively retained. - Correct Answers -Mechanical bond
What is applied immediately prior to applying the sealant? - Correct Answers -
Phosphoric Acid Etchant
How long should the phosphoric acid etchant be left on the tooth? - Correct Answers -1
minute
How does the etchant increase the enamel surface area?* - Correct Answers -Produces
selective dissolution of the enamel, opening pores into which the resin can flow.
How does the tooth surface appear after being etched?* - Correct Answers -Dull/frosted
Approximately, how much decay is found in the pits and fissures?* - Correct Answers -
50-85%
What are the 3 types of pit and fissure openings?* - Correct Answers -U type, V type,
and I type.
Which pit and fissure opening is bottle neck?* - Correct Answers -I type
Which pit and fissure opening is narrower?* - Correct Answers -V type
Which pit and fissure opening is wider?* - Correct Answers -U type
Pit and fissure sealants have been found to be _____% effective in prevention of
occlusal caries when ?* - Correct Answers -99 / the material is completely retained.
What are sealant retention rates after 1 year?* - Correct Answers -90-100%
What are sealant retention rates after 3-7 years?* - Correct Answers -65-85%
Where are sealant retention rates highest? - Correct Answers -Newly erupted teeth, first
molars, and mandibular teeth.
Is there a difference in light cured and self cured material? - Correct Answers -No
What is the majority of sealant failures due too?* - Correct Answers -Operators
technique
What age group is targeted for sealants most? - Correct Answers -Children ages 6-13
A sealant is indicated if a deep _________, ____________, or __________ is present. -
Correct Answers -Fissure, fossa, pit
A sealant is contraindicated if a patients behavior does not permit _______ ? - Correct
Answers -use of an adequate dry field.
What is the greasy film left on top of the sealant called?* - Correct Answers -Air
inhibited layer
, How should the greasy film be removed?* - Correct Answers -Wiped off with a cotton
pellet or rinsed off with water
How far away from the tooth/sealant should the light be held for light cured sealants? -
Correct Answers -1-2 mm
A sealant is contraindicated if there is an _________ ? - Correct Answers -open
occlusal carious lesion.
A sealant is contraindicated if _________ exist on other surfaces of the same tooth. -
Correct Answers -Caries ( particularly proximal lesions )
A sealant is contraindicated if a large _________ is already present. - Correct Answers -
restoration
A sealant is probably indicated if the fossa selected for a sealant placement is
________ _________ from another fossa with a restoration. - Correct Answers -Well
isolated
A sealant is probably indicated if the area selected is confined to a _______ ________
__________. - Correct Answers -Fully erupted fossa
A sealant is probably indicated if the opposite tooth in the mouth is ________ or
__________. - Correct Answers -Carious / Restored
A sealant is probably indicated if there is an ________ ________ in the pit and fissure. -
Correct Answers -Incipient lesion ( early developing caries )
When can a sealant be applied?* - Correct Answers -After the patient has had an
examination and been diagnosed by the dentist.
Sealants must form a strong _________ _________ with the enamel surface in order
for the resin to be effectively retained. - Correct Answers -Mechanical bond
What is applied immediately prior to applying the sealant? - Correct Answers -
Phosphoric Acid Etchant
How long should the phosphoric acid etchant be left on the tooth? - Correct Answers -1
minute
How does the etchant increase the enamel surface area?* - Correct Answers -Produces
selective dissolution of the enamel, opening pores into which the resin can flow.
How does the tooth surface appear after being etched?* - Correct Answers -Dull/frosted
