Quiz on Properties of Dental Amalgam

Quiz on Properties of Dental Amalgam

12th Grade

24 Qs

quiz-placeholder

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Quiz on Properties of Dental Amalgam

Quiz on Properties of Dental Amalgam

Assessment

Quiz

Other

12th Grade

Medium

Created by

Mo Ha

Used 1+ times

FREE Resource

24 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the initial contraction in the first 20 minutes of dental amalgam setting due to?

Crystal growth of new phases

Reaction of mercury with the alloy particles

Solution of the alloy particle's surfaces into mercury

Diffusion of mercury between the alloy particles

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main characteristic of dental amalgam in terms of strength?

Ductile

Elastic

Brittle

Flexible

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the time-dependent plastic deformation due to stress application below the yield stress before complete setting of amalgam called?

Expansion

Creep

Flow

Contraction

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can marginal seal be obtained in dental amalgam?

Low copper amalgam alloy

High mercury/alloy ratio

No corrosion products

Good condensation

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the viscoelastic nature of dental amalgam responsible for?

Bond to tooth structure

Flow and creep

Dimensional changes

Strength

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the effect of creep in dental amalgam?

Marginal breakdown

All of the above

Gingival overhangs

Occlusal overhangs

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does dental amalgam develop its strength?

Within 1 hour

After 2 weeks

Instantly after setting

Slowly within 7 days

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