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.Management Sciences
Category: Dental Cements
Which of the following do polycarboxylate and GIC have in common ?
A. Polysiloxane
B. Phosphoric acid
C. Polyacrylic acid
D. Ion leachable glass
Which of the following acts as accelerator in Zinc oxide eugenol______________?
A. ZnCl2 + Eugenol
B. ZnCl2 + ZnSO2
C. Eugenol + ZnO
D. Zn(OH)2 + ZnO
Fluoride rich materials include ?
A. Silicate cement
B. Glass ionomer cement
C. Polycarboxylate cement
D. All of the above
The setting time of ZnPO4 cement can be retarded by_____________?
A. mixing more powder to the liquid
B. mixing powder to liquid, checked by water
C. slower addition of powder to liquid
D. faster addition of powder to liquid
Most preferable cement for temporary restoration______________?
A. GIC
B. ZOE
C. Ca (OH)2
D. Zinc polycarboxylate cement
Ethoxy benzoic acid increases the strength and solubility of the cement______________?
A. Zinc oxide eugenol
B. Polycarboxylate cement
C. Zinc phosphate cement
D. Silicate cement
Thermal conductivity of which material is close to dentin____________?
A. Amalgam
B. Silicate
C. Composite resin
D. Cavity varnish
Which of the following cements is most kind to pulp ?
A. Glass ionomer
B. Polycarboxylate
C. Silicate
D. Resin cement
Increased amount of powder in zinc phosphate cement mixture will cause_______________?
A. Decreased strength
B. Decreased film thickness
C. Decreased solubility
D. Increased setting time
What is the working time of zinc polyacrylate cement ?
A. 1 Minutes
B. 2 Minutes
C. 3 Minutes
D. 4 Minutes
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