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.Management Sciences
Category: Dental Cements
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
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
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
Which component of zinc oxide-eugenol cement gives its strength ?
A. Rosin
B. Zinc oxide
C. Zinc acetate
D. Oil of cloves
Polycarboxylate cement is used for_____________?
A. Temporary restoration
B. Leuting
C. Permanent restoration
D. Die material
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
Why GIC is best restorative material in children_____________?
A. High strength
B. Good marginal integrity
C. It can bond enamel & dentin
D. It has less occlusal wear
PH of which cement remain below 7 even after 1 month after insertion into the cavity ?
A. Glass Ionomer Cement
B. Zinc Phosphate
C. Resin cement
D. Silicate cement
The effect of zinc oxide-eugenol on the pulp ?
A. Is irritating
B. Encourages pulpal fibrosis
C. Is sedating
D. Has no effect
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