Dental Materials

A. Better control over placement
B. Enhance and concentrate the action of acid
C. Helps in visualization while placement
D. None of the above

A. 25°C
B. 37°C
C. 50°C
D. 60°C

A. 10 um – 20 um
B. 3 um – 9 um
C. 50 um – 110 um
D. 200 um – 250 um

A. 3:1
B. 4:1
C. 10:1
D. 5:1

A. 0.2% to 0.5%
B. 2% to 5%
C. 0.3% to 0.5%
D. 2% to 5%

A. Removes smear layer
B. Increases surface energy of dentin
C. Forms a thin resin layer over exposed collagen fibrils
D. Helps in bonding with composite

A. Step-growth polymerization
B. Addition polymerization
C. Condensation polymerization
D. Copolymerization

A. Internal color
B. Tissue compability
C. Surface hardness
D. Craze resistance