SEALANT 107 EXAM QUESTIONS AND
ANSWERS
What kind of material are sealants made of? - Answer- Liquid resin
What surfaces do dental sealants fill? - Answer- Deep pits and fissures on teeth
What surfaces are filled? - Answer- Occlusal, lingual of max, and buccal of mand
Why are sealants placed? - Answer- Fills places a toothbrush cannot reach and
creates a barrier between tooth and oral environment
Term for broadening occlusal areas, circa 1926 - Answer- Enameloplasty
Term for restorations placed in fissures, circa 1930 - Answer- Prophylactic
odontotomy
Dental sealants became first available in what year? - Answer- 1960s
What specific material is used for dental sealants? - Answer- Bisphenol A-gycidyl
methylacrylate
What else does bis a-gly methy contain? - Answer- microscopic glass beads, quartz
particles, and other fillers used in composite resins
Can hygienists make adjustments to bis a-gly methy? - Answer- Not usually, it's very
resistant to wear
Which sealant is most common today? - Answer- Light-cured
How long does slow polymerization occur after curing? - Answer- 24- hours
What types of dental sealants are there? - Answer- Self-etching light-cured, Fluoride-
releasing sealants, Colored and clear sealants
Whats a benefit of seld-etching light cured? - Answer- Faster placement time and
has fluoride in the matierial
Whats a benefit of fluoride containing sealants? - Answer- Has caries inhibiting effect
Whats a disadvantage of fluoride containing sealants? - Answer- Poor retention rate
after 48 months, and does not release fluoride long term
What types of teeth do sealants stay on best? - Answer- Newly erupted teeth and
first molars
If a sealant is lost, does it need to be resealed? - Answer- Yes
ANSWERS
What kind of material are sealants made of? - Answer- Liquid resin
What surfaces do dental sealants fill? - Answer- Deep pits and fissures on teeth
What surfaces are filled? - Answer- Occlusal, lingual of max, and buccal of mand
Why are sealants placed? - Answer- Fills places a toothbrush cannot reach and
creates a barrier between tooth and oral environment
Term for broadening occlusal areas, circa 1926 - Answer- Enameloplasty
Term for restorations placed in fissures, circa 1930 - Answer- Prophylactic
odontotomy
Dental sealants became first available in what year? - Answer- 1960s
What specific material is used for dental sealants? - Answer- Bisphenol A-gycidyl
methylacrylate
What else does bis a-gly methy contain? - Answer- microscopic glass beads, quartz
particles, and other fillers used in composite resins
Can hygienists make adjustments to bis a-gly methy? - Answer- Not usually, it's very
resistant to wear
Which sealant is most common today? - Answer- Light-cured
How long does slow polymerization occur after curing? - Answer- 24- hours
What types of dental sealants are there? - Answer- Self-etching light-cured, Fluoride-
releasing sealants, Colored and clear sealants
Whats a benefit of seld-etching light cured? - Answer- Faster placement time and
has fluoride in the matierial
Whats a benefit of fluoride containing sealants? - Answer- Has caries inhibiting effect
Whats a disadvantage of fluoride containing sealants? - Answer- Poor retention rate
after 48 months, and does not release fluoride long term
What types of teeth do sealants stay on best? - Answer- Newly erupted teeth and
first molars
If a sealant is lost, does it need to be resealed? - Answer- Yes
