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
0
Minimum thickness for type I zinc phosphate cement should be_______________?
0
Which of the following is common to both zinc eugenol cement and polycarboxylate cement?
A. 15 microns
B. 25 microns
C. 50 microns
D. 100 microns
0
The addition of which of the following can accelerate the setting time of zinc oxide cement_____________?
A. Polyacrylic acid is liquid
B. Chemical bond to tooth structure
C. Chelation
D. Substitution o eugenol by EBA to increase strength of cement
0
pH of fully set zinc phosphate______________?
A. Zinc acetate
B. Barium sulphate
C. Zinc sulphate
D. Barium chloride
0
Which of the following cements is most irritant to pulpal tissues ?
A. 3-4
B. 4-5
C. 6-7
D. 7-8
0
PH of polycarboxylate liquid is____________?
A. Zinc phosphate
B. Silicate
C. Glass ionomer
D. Polycarboxylate
0
When selection the colour of cement to use for cementing a porcelain jacket crown, the powder being tested is best mixed with______________?
A. 5
B. 7
C. 8
D. 1.7
0
The setting of zinc phosphate may be retarded by ?
A. Glycerin-water solution
B. Cement liquid
C. Alcohol
D. Only water
0
Thickness of luting cement is_____________?
A. Increased in the ratio of powder to liquid
B. Diluting the liquid with water
C. Increase the addition of powder to liquid
D. Decrease the addition of powder to liquid
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