Strength of zinc phosphate is effected by_______________?

Related Mcqs:

1. 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

2. 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

3. Advantage of zinc phosphate over GIC is______________?

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

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

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

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 major component of zinc phosphate cement is_____________?

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

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

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

8. 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

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

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

10. In non zinc containing dental amalgam alloy the percentage of zinc present is______________?

    A. Less than 0.02%
    B. Less than 0.1%
    C. Less than 0.01%
    D. None of the above