A. Have a higher coefficient of thermal expansion than acrylic teeth:
B. Have a lower abrasion resistance than enamel
C. Should be used where the inter dental clearance is small
D. Have a higher abrasion resistance than gold
Dental Materials
Dental Materials Mcqs for preparation. These Mcqs are helpful for Medical students. Dental Materials Multiple Choice Questions (MCQ) for entrance examinations and other competitive examinations for all Experienced, Freshers and Students.
A. Alumino silicate powder and phosphoric acid
B. Aluminosillicate powder and polyacrylate
C. Zinc oxide powder and phosphoric acid
D. Zinc oxide powder and polyacrylate liquid
A. 15 microns
B. 25 microns
C. 50 microns
D. 100 microns
A. Polyacrylic acid is liquid
B. Chemical bond to tooth structure
C. Chelation
D. Substitution o eugenol by EBA to increase strength of cement
A. Zinc acetate
B. Barium sulphate
C. Zinc sulphate
D. Barium chloride
A. 3-4
B. 4-5
C. 6-7
D. 7-8
A. Zinc phosphate
B. Silicate
C. Glass ionomer
D. Polycarboxylate
A. 5
B. 7
C. 8
D. 1.7
A. Glycerin-water solution
B. Cement liquid
C. Alcohol
D. Only water
A. Increased in the ratio of powder to liquid
B. Diluting the liquid with water
C. Increase the addition of powder to liquid
D. Decrease the addition of powder to liquid
