DENTAL CARE WEEK 7: PITS AND
FISSURE SEALANTS EXAM
QUESTIONS AND ANSWERS
According to the Cochrane Database of Systematic Review, what is the one-year
reduction in caries following properly placed dental sealants?
A. 51%
B. 86%
C. 75%
D. 39% - Correct Answers -51%
How does the cost of placing a dental sealant compare to the cost of placing an
occlusal amalgam restoration?
A. A sealant costs twice as much as a restoration.
B. A sealant costs about the same as a restoration.
C. A restoration costs about 50% less than a sealant.
D. A restoration costs twice as much as a sealant. - Correct Answers -A restoration
costs twice as much as a sealant.
After placing the sealant, it is necessary to evaluate the procedure by doing which of the
following?
A. Exploring for voids or bubbles.
B. Checking how securely the sealant is attached to the tooth surface.
C. Checking the occlusion for premature contacts.
D. All of the above. - Correct Answers -All of the above.
Which of the following is the most appropriate method for removing excess material
from a polymerized sealant?
A. Scraping with a sharp instrument.
B. Using a finishing bur with a hand piece.
C. Using prophy paste and a brush.
D. All of the above - Correct Answers -Using a finishing bur with a hand piece.
How do acid etching and prophylactic polishing compare with regard to loss of tooth
structure?
A. Etching removes approximately 10 microns and polishing removes approximately 4
microns.
B. Etching removes approximately 4 microns and polishing removes approximately 10
microns.
FISSURE SEALANTS EXAM
QUESTIONS AND ANSWERS
According to the Cochrane Database of Systematic Review, what is the one-year
reduction in caries following properly placed dental sealants?
A. 51%
B. 86%
C. 75%
D. 39% - Correct Answers -51%
How does the cost of placing a dental sealant compare to the cost of placing an
occlusal amalgam restoration?
A. A sealant costs twice as much as a restoration.
B. A sealant costs about the same as a restoration.
C. A restoration costs about 50% less than a sealant.
D. A restoration costs twice as much as a sealant. - Correct Answers -A restoration
costs twice as much as a sealant.
After placing the sealant, it is necessary to evaluate the procedure by doing which of the
following?
A. Exploring for voids or bubbles.
B. Checking how securely the sealant is attached to the tooth surface.
C. Checking the occlusion for premature contacts.
D. All of the above. - Correct Answers -All of the above.
Which of the following is the most appropriate method for removing excess material
from a polymerized sealant?
A. Scraping with a sharp instrument.
B. Using a finishing bur with a hand piece.
C. Using prophy paste and a brush.
D. All of the above - Correct Answers -Using a finishing bur with a hand piece.
How do acid etching and prophylactic polishing compare with regard to loss of tooth
structure?
A. Etching removes approximately 10 microns and polishing removes approximately 4
microns.
B. Etching removes approximately 4 microns and polishing removes approximately 10
microns.