Percentage of zinc in ZOE cement is__________________?

Related Mcqs:

1. 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

2. 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

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. Eugenol may be replaced in the zinc oxide eugenol cement by______________?

   A. Acetic acid
   B. Alginic acid
   C. Phosphoric acid
   D. Ortho-ethoxy acid

5. Which component of zinc oxide-eugenol cement gives its strength ?

   A. Rosin
   B. Zinc oxide
   C. Zinc acetate
   D. Oil of cloves

6. 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

7. Mode of failure during dislodgement of prosthesis cemented with zinc poly carboxylate cement is usually seen at the_____________?

   A. Cement tooth interface
   B. Cement prosthesis interface
   C. Cleavage through the cement layer
   D. Fracture of tooth or prosthesis

8. All of the following is used as accelerator in zinc oxide eugenol cement except_______________?

   A. Acetic acid
   B. Zinc acetate dehydrate
   C. Calcium chloride
   D. Bromoglycerine

9. The major component of zinc phosphate cement is_____________?

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

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

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