531. Which component of zinc oxide-eugenol cement gives its strength ?
A. Rosin
B. Zinc oxide
C. Zinc acetate
D. Oil of cloves
532. Which cement is irritating to the pulp ?
A. Carboxylate cement
B. Zinc oxide-eugenol cement
C. Zinc phosphate
D. Ethoxybenzoic acid
533. The cement Which is least soluble in oral cavity______________?
A. Glass ionomer
B. Resin cement
C. Polycarboxylate cement
D. Silico-Phosphate cement
534. Silicate cement is indicated in________________?
A. Mouth breathers
B. Patients with high caries index
C. In the restoration of posterior tooth
D. None of the above
535. Which of the following characterizes the silicate cement______________?
A. It is pulpal irritant
B. It is highly cariogenic
C. Chemically attaches to the tooth structure
D. It produces thinnest film surface
536. Which of the following cements have anti cariogenic properly________________?
A. ZOE
B. Calcium Hydroxide
C. Zinc silicophosphate
D. Zinc phosphate
537. The principle application of zinc phosphate cement is_____________?
A. In final cementation
B. As temporary cementation
C. As a temporary filling material
D. It has less occlusal wear
538. Which of the following cements is contraindicated in mouth breathers_______________?
A. Silicate
B. ASPA
C. Polycarboxylate
D. Zinc phosphate
539. Percentage of zinc in ZOE cement is__________________?
A. 60%
B. 70%
C. 80%
D. 90%
540. The main components is sillicophosphate cement________________?
A. Zinc phosphate and GIC
B. Silicate and GIC
C. ZOE and Silicate
D. Zinc phosphate and Silicate