A. The reduction in enamel solubility due to fluoride uptake by enamel
B. That beryllium flux is used in silicates
C. That silicates show very little leakage at the margins of the restoration
D. Due to the high silica content
Related Mcqs:
- 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 ?
A. Polycarboxylate cement
B. Resin cement
C. Silicate cement
D. Glass ionomer cement - The temperature (in °F) of the mixing slab for silicate cements should be_____________?
A. 55 – 65
B. 65 – 75
C. 75 – 85
D. 85 – 95 - Among various glands, salivary gland secretion is unique in that, its secretions is unique in that, its secretion are controlled by___________?
A. Hormones
B. Nerves
C. Chemicals
D. All of the above - The average life of silicate cement restoration is______________?
A. 2 years
B. 4 years
C. 6 years
D. 8 years - The tow cements which hold with the tooth are_______________?
A. GIC and polycarboxylate
B. GIC and ZnPO4
C. ZnPO4 and silicate
D. GIC and silicate - Which of the following cements have anti cariogenic properly________________?
A. ZOE
B. Calcium Hydroxide
C. Zinc silicophosphate
D. Zinc phosphate - Which one of the following dental cements does not contain water as part of the composition of the liquid component ?
A. Zinc Phosphate cement
B. Zinc oxide equgenol cement
C. Zinc silicophosphate cement
D. Zinc polycarboxylate cement - Which of the following cements is most biocompatible with pulp ?
A. GIC
B. Copper cement
C. Zinc phosphate cement
D. Zinc oxide eugenol cement - Which of the following cements is most irritant to pulpal tissues ?
A. Zinc phosphate
B. Silicate
C. Glass ionomer
D. Polycarboxylate - Glass ionomer cements are composed of______________?
A. Alumino silicate powder and phosphoric acid
B. Aluminosillicate powder and polyacrylate
C. Zinc oxide powder and phosphoric acid
D. Zinc oxide powder and polyacrylate liquid
