The setting of zinc phosphate may be retarded by ?

Related Mcqs:

1. 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

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. 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

4. 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

5. Advantage of zinc phosphate over GIC is______________?

   A. High compressive strength
   B. Tensile strength
   C. High modulus of elasticity
   D. Diametral strength

6. Frozen slab technique of mixing zinc phosphate is used for_______________?

   A. Cementing crowns
   B. Temporary dressing
   C. base
   D. cementing orthodontic bands

7. Strength of zinc phosphate is effected by_______________?

   A. Temp of glass slab
   B. P:L ratio
   C. Consistency of mix
   D. Alteration of mixing time

8. The major component of zinc phosphate cement is_____________?

   A. Zinc oxide
   B. Phosphoric acid
   C. Zinc
   D. None of the above

9. The chief advantage of zinc phosphate cement is its___________?

   A. Good compressive strength
   B. Film thickness
   C. Lack of irritation
   D. Low solubility

10. Minimum thickness for type I zinc phosphate cement should be_______________?

    A. 15 microns
    B. 25 microns
    C. 50 microns
    D. 100 microns