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.Management Sciences
Category: Dental Materials
Hydroquinone is added to methyl methacrylate monomer_________________?
0
A. To prevent polymerization during storage
B. To initiate release of free radicalls
C. To enable polymerization reaction at room temperature
D. All of the above
The term ordered hardening heat treatment used in which of the following dental alloys ?
A. Gold-Copper
B. Nickel-Chromium
C. Nickel-Titanium
D. Silver-Palladium
Trisodium phosphate in alginate acts are_______________?
A. Retarder
B. Reactor
C. Accelerator
D. Plasticizer
Palatal secretions affect the setting of all the impression materials except_______________?
A. Silicone
B. Agar-agar
C. Impression paste
D. Impression plaster
Best marginal seal is provided by____________?
A. Zinc phosphate
B. Zinc oxide eugenol
C. Gutta-percha
D. Resin
The tow cements which hold with the tooth are_______________?
A. GIC and polycarboxylate
B. GIC and ZnPO4
C. ZnPO4 and silicate
D. GIC and silicate
The process wherein two or more chemically different monomers, each with some desirable property, can be combined to yield specific physical properties of a polymer is known as_____________?
A. Step-growth polymerization
B. Addition polymerization
C. Condensation polymerization
D. Copolymerization
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