Dental Cements

Which of the following cements is most irritant to pulpal tissues ? A. Zinc phosphateB. Silicate C. Glass ionomer D. Polycarboxylate

PH of polycarboxylate liquid is____________? A. 5 B. 7 C. 8D. 1.7

When selection the colour of cement to use for cementing a porcelain jacket crown, the powder being tested is best mixed with______________? A. Glycerin-water solution B. Cement liquid C. Alcohol D. Only water…

The setting of zinc phosphate may be retarded by ? A. Increased in the ratio of powder to liquid B. Diluting the liquid with water C. Increase the addition of powder to liquidD. Decrease the addition of powder to liquid…

Thickness of luting cement is_____________? A. 20-40μ B. 10-20μ C. 60-80μ D. 1-2μ

The chief advantage of zinc phosphate cement is its___________? A. Good compressive strengthB. Film thickness C. Lack of irritation D. Low solubility

Which of the following cements is most biocompatible with pulp ? A. GIC B. Copper cement C. Zinc phosphate cementD. Zinc oxide eugenol cement

The major component of zinc phosphate cement is_____________? A. Zinc oxide B. Phosphoric acid C. Zinc D. None of the above

Polycarboxylate cement is used for_____________? A. Temporary restorationB. Leuting C. Permanent restoration D. Die material

The dual cure cements should not be used with light transmitting prostheses thicker than____________? A. mm B. 1.5 mm C. mmD. 2.5 mm