A. 60%
B. 70%
C. 80%
D. 90%
Related Mcqs:
- 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 - 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 - 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 - Eugenol may be replaced in the zinc oxide eugenol cement by______________?
A. Acetic acid
B. Alginic acid
C. Phosphoric acid
D. Ortho-ethoxy acid - Which component of zinc oxide-eugenol cement gives its strength ?
A. Rosin
B. Zinc oxide
C. Zinc acetate
D. Oil of cloves - 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 - 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 - 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 - The major component of zinc phosphate cement is_____________?
A. Zinc oxide
B. Phosphoric acid
C. Zinc
D. None of the above - The chief advantage of zinc phosphate cement is its___________?
A. Good compressive strength
B. Film thickness
C. Lack of irritation
D. Low solubility
