Chapter 59 Quizs

Chapter 59 Quizs

Assessment

Quiz

Health Sciences

Vocational training

Practice Problem

Hard

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Wayground Content

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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which should be done if a sealant is found to be partially lost during a subsequent examination?

Attempt to remove the remaining portion of sealant with a bur and replace the entire sealant with new material.

Freshen the remaining portion of sealant adjacent to the lost portion, re-etch the enamel, and apply new sealant to replace the missing portion.

Prepare the tooth for a composite restoration.

Nothing. The sealant has penetrated the enamel rods and confers caries protection.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of sealant is polymerized by photo initiators in the resin that are sensitive to light?

Cold-cured

Light-cured

Self-cured

Dual-cured

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why are sealants contraindicated in teeth with proximal caries?

Proximal decay will spread to the occlusal surface.

Posterior proximal tooth preparation will usually include the occlusal pits and fissures.

Sealants are placed on smooth surfaces and the proximal area is a smooth surface.

Sealants are placed on smooth surfaces and the proximal area is a rough surface.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The retention of the sealant is obtained by etching the enamel with what?

Citric acid

Phosphoric acid

Eugenol

Pumice

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sealants are indicated for which areas?

Cervical one third of any tooth

Posterior but not anterior teeth

The smooth surfaces of teeth but not pits and fissures

Pits and fissures

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the most common cause of sealant loss?

Use of unfilled material

Use of outdated material

Moisture contamination during placement

Chewing gum or sticky candy

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Enamel that has been etched has what appearance when dry?

Shiny

Frosty

Wet

Slightly yellow

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