Dental Materials

A. It increases compresssive and tensile strengths

B. Decreased compressive, increased strength

C. Decreased compressive, decrease tensile strength

D. Increased compressive, increased tensile strength

A. Zinc phosphate

B. Silicate

C. Glass ionomer

D. Polycarboxylate

A. 30-35%

B. 26-28%

C. 13-32%

D. 22-30%

A. Increase in tarnish and corrosion resistance

B. Increase the marginal strength

C. Decrease the tarnish and corrosion resistance

D. Increased compressive strength

A. Carboxyl group

B. Chelates with Metal Ions

C. C=C double bond

D. Polymer chains

A. Zinc phosphate

B. Zinc oxide eugenol

C. Gutta-percha

D. Resin

A. Direct contact with the mercury

B. Inhalation of mercury vapours

C. Ingestion of mercury

D. None of the above

A. Is Feldspathic glass

B. Contains opacifier like zirconium and titanium oxide

C. Not used to mask the colour of the cement used in placing of restoration

D. Used to produce the characteristic translucence, which is an inherent aspect of the incisal edge in natural teeth

A. Transformation toughening

B. Dispersion of crystalline phase

C. Inducing residual compressive strength

D. All of the above

A. Sand

B. Silicon arbide

C. Diamond

D. Aluminum oxide