A. Localised Shrinkage porosity
B. Gas inclusion porosity
C. Micro porosity
D. Surface porosity
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. 0.05 to 0.04mm
B. 0.5 to 1.0 microns
C. 0.01 to 0.1 microns
D. 0.3 to 0.4mm
A. Composite
B. Complex material
C. Combined
D. Compound
A. Amalgam
B. Silicate cement
C. Gold alloy
D. Acrylic resin
A. Heat
B. Visible light
C. Chemicals
D. Lasers
A. Prevent galvanic action
B. Are practically insoluble in oral fluids
C. Adapt to the walls of the cavity better
D. Have a higher coefficient of thermal expansion
A. To prevent the porosity
B. To prevent warpage
C. To prevent volume expansion
D. All of the above
A. Increase the surface area
B. Permit chemical bonding between resin and enamel
C. Create surface irregularities in enamel for better mechanical retention of resin
D. Condition the tooth surface for better wetting
A. Glass ionomer restoratives
B. Hybrid resin composites
C. Microfilled resin composites
D. Macrofilled resin composites
A. Microfilled resin
B. Macrofilled resin
C. Hybrid
D. Light cure activated