Mechanism of adhesion of GIC restoration with tooth surface is by mean of ?
A. C=C double bond
B. Polymer chains
C. Chelates with Metal Ions
D. Carboxyl group
DENTAL MATERIALS
Dental Materials MCQs with answers for medical students. Dental Materials questions with answers for all competitive exams and test preparation.
Setting time of ZnPO4 cement can be retarded by?
A. mixing powder to liquid, checked by water
B. faster addition of powder to liquid
C. mixing more powder to the liquid
D. slower addition of powder to liquid
Silicate cement is indicated in ?
A. In the restoration of posterior tooth
B. Mouth breathers
C. Patients with high caries index
D. None of them
Cement Which is least soluble in oral cavity ?
A. Polycarboxylate cement
B. Silico-Phosphate cement
C. Glass ionomer
D. Resin cement
Which cement is irritating to the pulp?
A. Zinc phosphate
B. Ethoxybenzoic acid
C. Carboxylate cement
D. Zinc oxide-eugenol cement
Which component of zinc oxide-eugenol cement gives its strength?
A. Zinc acetate
B. Oil of cloves
C. Zinc oxide
D. Rosin
Main components is sillicophosphate cement ?
A. ZOE and Silicate
B. Zinc phosphate and SIlicate
C. Zinc phosphate and GIC
D. Silicate and GIC
Percentage of zinc in ZOE cement is ?
A. 70%
B. 90%
C. 60%
D. 80%
Which of the following cements is contraindicated in mouth breathers?
A. Polycarboxylate
B. Zinc phosphate
C. Silicate
D. ASPA
The principle application of zinc phosphate cement is?
A. As a temporary filling material
B. It has less occlusal wear
C. In final cementation
D. As temporary cementation