A. Translucency
B. Refractive optics
C. Metamerism
D. Opacification
A. Rubber matrix
B. Glass
C. Plastic
D. Resin matrix
In porcelain metal elements are embedded in the matrix of________________? Read More »
Dental Ceramics & Miscellaneous, Dental Materials, Medical Mcqs A. Shape and size of particle
B. Uniform distribution of particle size
C. Number of particles
D. None of the above
Porosity in porcelain at condensation stage depends on_________________? Read More »
Dental Ceramics & Miscellaneous, Dental Materials, Medical Mcqs A. Boric oxide
B. Copper oxide
C. Silica
D. Titanium oxide
The opacity in ceramics is achieved by adding_______________? Read More »
Dental Ceramics & Miscellaneous, Dental Materials, Medical Mcqs 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
Porcelain denture teeth________________? Read More »
Dental Ceramics & Miscellaneous, Dental Materials, Medical Mcqs 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
Glass ionomer cements are composed of______________? Read More »
Dental Cements, Dental Materials, Medical Mcqs A. 15 microns
B. 25 microns
C. 50 microns
D. 100 microns
Minimum thickness for type I zinc phosphate cement should be_______________? Read More »
Dental Cements, Dental Materials, Medical Mcqs A. Polyacrylic acid is liquid
B. Chemical bond to tooth structure
C. Chelation
D. Substitution o eugenol by EBA to increase strength of cement
Which of the following is common to both zinc eugenol cement and polycarboxylate cement? Read More »
Dental Cements, Dental Materials, Medical Mcqs A. Zinc acetate
B. Barium sulphate
C. Zinc sulphate
D. Barium chloride
A. 3-4
B. 4-5
C. 6-7
D. 7-8
pH of fully set zinc phosphate______________? Read More »
Dental Cements, Dental Materials, Medical Mcqs