A. Cold water
B. Hot water
C. Under pressure
D. In vaccum
The polymerization of self-curing resin takes faster in______________? Read More »
Dental Materials, Medical Mcqs, Restorative Resins A. 30 seconds
B. 60 seconds
C. 90 seconds
D. 120 seconds
Acid-etching is done for_______________? Read More »
Dental Materials, Medical Mcqs, Restorative Resins A. Compression moulding technique
B. Injection moulding technique
C. Fluid resin technique
D. Light cured technique
A. Adhesion of resin particles
B. Bonding between filler crystals
C. Bonding between filler and resin
D. Bonding between tooth and resin
The function of the coupling agent in a restorative resin is to allow______________? Read More »
Dental Materials, Medical Mcqs, Restorative Resins A. BIS GMA
B. Polymethyl methacrylate
C. Benzoin methyl ether
D. Silica filter
A. porosity
B. Shrinkage
C. Tooth breakage
D. Water absorption
The most important disadvantage of acrylic denture base is_______________? Read More »
Dental Materials, Medical Mcqs, Restorative Resins A. Silica glass
B. Organic matrix
C. Barium glass and strontium glasses
D. Fluoride particles
Radio opacity to composite resins is rendered by_______________? Read More »
Dental Materials, Medical Mcqs, Restorative Resins A. Melts at 100°C
B. Softens at 100°C
C. Still requires heat for polymerization
D. Produces heat during polymerization
Acrylic (cold cure)______________? Read More »
Dental Materials, Medical Mcqs, Restorative Resins A. Thermal polymerization of acrylic
B. Chemical polymerization
C. Retarding the polymerization reaction
D. To inhibit the action of benzoyl peroxide
Use of dimethyl-P-toluidine is indicated for_______________? Read More »
Dental Materials, Medical Mcqs, Restorative Resins 1. Hard thick central area
2. Thin Palatal area
3. Thin area of flanges
4. Porosity is uniformly distributed
