Which glass ionomer cement develops early resistance to water intake on setting ?

Related Mcqs:

1. 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

2. 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

3. Which of the following is common to both zinc eugenol cement and polycarboxylate 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

4. Vagal stimulation following intake of food does not affect secretion of_______________?

   A. Stomach
   B. Pancrease
   C. Parotid
   D. Gall bladder

5. The setting of zinc phosphate is accelerated by_____________?

   A. Adding a drop of water
   B. Increasing mixing time
   C. Cooling the slab
   D. Adding a drop of oleic acid

6. 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 liquid
   D. Decrease the addition of powder to liquid

7. The addition of which of the following can accelerate the setting time of zinc oxide cement_____________?

   A. Zinc acetate
   B. Barium sulphate
   C. Zinc sulphate
   D. Barium chloride

8. The cement Which is least soluble in oral cavity______________?

   A. Glass ionomer
   B. Resin cement
   C. Polycarboxylate cement
   D. Silico-Phosphate cement

9. 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

10. Most preferable cement for temporary restoration______________?

    A. GIC
    B. ZOE
    C. Ca (OH)2
    D. Zinc polycarboxylate cement