The particle size in microfilled composites is_____________?
The particle size in microfilled composites is_____________? A. 0.05 to 0.04mm B. 0.5 to 1.0 micronsC. 0.01 to 0.1 microns D. 0.3 to 0.4mm
The particle size in microfilled composites is_____________? A. 0.05 to 0.04mm B. 0.5 to 1.0 micronsC. 0.01 to 0.1 microns D. 0.3 to 0.4mm
A material which is a mixture of two different materials and its properties are_____________? A. Composite B. Complex material C. Combined D. Compound
Co-efficient of thermal expansion is highest for_____________? A. Amalgam B. Silicate cement C. Gold alloyD. Acrylic resin
The latest method of curing denture base resins______________? A. HeatB. Visible light C. Chemicals D. Lasers
One of the claims for the superiority composite resin restoration over silicate cement restorations is that the resin restorations_____________? A. Prevent galvanic actionB. Are practically insoluble in oral fluids C. Adapt to the walls of the cavity better D. Have…
To cure a heat cure resin, a proper heating cycle is necessary_____________? A. To prevent the porosity B. To prevent warpage C. To prevent volume expansion D. All of the above
When restoring a tooth with resin material, acid etching can do all of the following except______________? A. Increase the surface areaB. Permit chemical bonding between resin and enamel C. Create surface irregularities in enamel for better mechanical retention of resin…
For esthetic areas where high luster is required the restoration used usually______________? A. Glass ionomer restoratives B. Hybrid resin compositesC. Microfilled resin composites D. Macrofilled resin composites
Which of the following absorbs maximum amount of water ? A. Microfilled resin B. Macrofilled resin C. Hybrid D. Light cure activated
The restoration which shows percolation and shrinkage along the margins is_____________? A. CompositesB. Unfilled resins C. Amalgam D. Polycarboxylate