Dental Materials

A. Reduces contraction

B. Increases the strength of lathe cut alloy but reduces the strength of spherical alloy amalgam

C. Decreases creep

D. Gives al dull and crumbly amalgam

A. Zinc polycarboxylate

B. Polymer reinforced ZOE cement

C. Zinc phosphate

D. Glass inomer cement

A. 20-40μ

B. 10-20μ

C. 60-80μ

D. 1-2μ

A. From smooth atomized particles

B. From irregular and spherical particles

C. From lathe cut particles

D. From traditional alloy particles

A. Heat pressing

B. Machining

C. Sintering

D. Slip casting

A. A large time period at a lower temperature is preferred

B. A long firing period at a very high temperature is preferred

C. A short firing period at a very low temperature is preferred

D. none of these

A. Zinc phosphate and GIC

B. Silicate and GIC

C. ZOE and Silicate

D. Zinc phosphate and SIlicate

A. Blinding

B. Buffing

C. Dressing

D. Truing

A. Rubber matrix

B. Glass

C. Plastic

D. Resin matrix

A. Better handling property

B. Dimensional Stability

C. Resistance to creep

D. Toxicity to pulp and dentin