What is the polymerization shrinkage if 3:1 powder: liquid ratio is used____________?

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In self-cure acrylic resin, activator is_____________?

A. Toluidine B. Quaternary ammonium compound C. Benzoyl peroxide D. Tertiary amine...

The advantage of unfilled methyl methacrylate is that______________?

A. It can be finished smoothly B. It has a low degree of flow C. It’s non-irritation to pulp D. It’s wear resistant is high...

Denture acrylics contain cross-linking agents mainly to improve their_____________?

A. Internal color B. Tissue compability C. Surface hardness D. Craze resistance...

One of the claims for the superiority composite resin restoration over silicate cement restorations is that the resin restorations_____________?

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...

Which of the following is present in the powder of the acrylic resin______________?

A. Methyl methacrylate B. Benzoyl peroxide C. Hydroquinone D. D-methyl paratolouidine...