A. Polycarboxylate cement
B. Resin cement
C. Silicate cement
D. Glass ionomer cement
✅ The correct answer is option D. Glass ionomer cement.
Dental Materials
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
✅ The correct answer is option A. In final cementation.
Discolouration of silver alloy is due to_____________?
A. Tarnish
B. Tarnish and corrosion
C. Wet corrosion
D. Dry corrosion
✅ The correct answer is option B. Tarnish and corrosion.
Which is the cement with adhesive properties ?
A. Zinc oxide eugenol
B. Zinc polycarboxylate
C. SIlicate
D. Glass ionomer
✅ The correct answer is option E. Both B & D.
Cavity varnishes have_____________?
A. Average bonding to tooth
B. Low bonding to tooth
C. Excellent bonding to tooth
D. No bonding to tooth
✅ The correct answer is option D. No bonding to tooth.
The setting of zinc phosphate is accelerated by_____________?
A. Adding a drop of water
B. Increasing mixing time
C. Cooling the slab
D. Adding a drop of oleic acid
✅ The correct answer is option A. Adding a drop of water.
Stage recognized in the firing of dental porcelain given below. Which of state is not correct ?
A. Cold stage bisque
B. Low bisque
C. Medium bisque
D. High bisque
✅ The correct answer is option A. Cold stage bisque.
Coefficient of thermal expansion of metal-ceramic alloys is________________?
A. Same as porcelain
B. More than porcelain
C. Less than porcelain
D. More than or equal to porcelain but not less
✅ The correct answer is option D. More than or equal to porcelain but not less.
The highest mercury concentration in amalgam filling is found_____________?
A. At the margin of the restoration
B. In the centre of the restoration
C. In the deepest part of the restoration
D. None of the above
✅ The correct answer is option A. At the margin of the restoration.
Silicate cement is indicated in________________?
A. Mouth breathers
B. Patients with high caries index
C. In the restoration of posterior tooth
D. None of the above
✅ The correct answer is option B. Patients with high caries index.