Fissure Sealant

Question 1

For a conventional light-cured resin fissure sealant which substance is used to etch the surface of enamel prior to placement?

Answer 1

35-37% ortho-phosphoric acid

Question 2

How is isolation for moisture control best achieved whilst placing a fissure sealant

Answer 2

By the use of rubber dam

Question 3

When is the ideal time to fissure seal a first permanent molar?

Answer 3

When the tooth has erupted sufficiently enough to allow for adequate moisture control

Question 4

Which of the following is not part of a preventive programme along with fissure sealing?

Select one:

A.
Oral hygiene measures

B.
Dietary advice/monitoring

C.
Fluoride application

D.
Preventive resin restoration/sealant restorations

Answer 4

D

Question 5

What is the most common material used for fissure sealant placement

Answer 5

BIS-GMA resin

Question 6

Which factor does not need to be taken into account when deciding to place a fissure sealant on a first permanent molar in a 6-year-old?

Select one:

A.
Clinical findings

B.
Parental Dental Anxiety

C.
Patient’s caries risk

D.
Radiographic findings

Answer 6

B

Question 7

Which of the following patient groups require regular fissure sealant placement?

Select one:

A.
Children with caries in their primary dentition

B.
Children with compromised medical histories

C.
Children at risk of caries development

D.
All of the above

Answer 7

D

Question 8

After placement, fissure sealants should be checked for:

Select one:

A.
Air bubbles

B.
Flash

C.
Non-adherence

D.
All of the above

Answer 8

D

Question 9

How often should fissure sealants placed in a child of high caries risk be radiographically reviewed?

Select one:

A.
Every 6 months

B.
Every 12 months

C.
Every 18 months

D.
Every 24 months

Answer 9

A

Question 10

What is the major advantage of using glass ionomer as a fissure sealant

Answer 10

It is easier to handle when moisture control isn’t ideal

Question 11

Which of the following should be used to clean the tooth prior to fissure sealant placement?

Select one:

A.
Air and water

B.
Pumice and water

C.
Diamond polishing paste

D.
Toothpaste

Answer 11

B

Question 12

How should the occlusal surface of the tooth appear after adequate acid etching and drying?

Answer 12

Chalky white/ frosted

Question 13

What instrument should you use to check the seal after fissure sealant placement

Answer 13

A sharp probe