Medical Mcqs Practice Test

Question 1

About zinc oxide eugenol all are true except_______________?

Accepted Answer

D.	Dehydrated ZnO reacts with dehydrated eugenol

Question 2

Which glass ionomer cement develops early resistance to water intake on setting ?

Accepted Answer

C.	Resin modified glass ionomer cement

Question 3

All of the following statements are true for zinc oxide eugenol cements except______________?

Accepted Answer

E.	Both C & D

Question 4

Advantage of zinc phosphate over GIC is______________?

Accepted Answer

C.	High modulus of elasticity

Question 5

Cavity varnishes have_____________?

Accepted Answer

D.	No bonding to tooth

Question 6

Which one of the following dental cements does not contain water as part of the composition of the liquid component ?

Accepted Answer

B.	Zinc oxide equgenol cement

Question 7

Which one of the following restorative materials is having coefficient of thermal expansion close to that of tooth enamel and dentin ?

Accepted Answer

D.	Type II Glass ionomer cement

Question 8

Mode of failure during dislodgement of prosthesis cemented with zinc poly carboxylate cement is usually seen at the_____________?

Accepted Answer

B.	Cement prosthesis interface

Question 9

The setting time of ZnPO4 cement can be retarded by_____________?

Accepted Answer

C.	slower addition of powder to liquid

Question 10

MEchanism of adhesion of GIC restoration with tooth surface is by mean of ______________?

Accepted Answer

A.	Carboxyl group

Question 11

In non-eugenol pastes the constituents are mixed in______________?

Accepted Answer

C.	Benzoic acid

Question 12

Ethoxy benzoic acid increases the strength and solubility of the cement______________?

Accepted Answer

A.	Zinc oxide eugenol

Question 13

Which cement base has the highest modulus of elasticity ?

Accepted Answer

C.	Zinc phosphate

Question 14

The cavity varnish applied reduces post operative sensitivity in amalgam restoration by____________?

Accepted Answer

B.	Minimize marginal leakage around restoration

Question 15

The average life of silicate cement restoration is______________?

Accepted Answer

B.	4 years

Question 16

All of the following are true for traditional solution liner, except_________________?

Accepted Answer

B.	Have Film thickness of 1 – 50 microns

Question 17

Which of the following cements bonds to tooth structure, which has an anticariogenic effect, has a degree of translucency and does not irritate the pulp ?

Accepted Answer

D.	Glass ionomer cement

Question 18

Which of the following characterizes the silicate cement______________?

Accepted Answer

A.	It is pulpal irritant

Question 19

Which of the following cements have anti cariogenic properly________________?

Accepted Answer

C.	Zinc silicophosphate

Question 20

The principle application of zinc phosphate cement is_____________?

Accepted Answer

A.	In final cementation