A highly polished surface on a metallic dental restoration aids considerably in the prevention of the____________?

Related Mcqs:

1. Outstanding clinical performance of dental amalgam restoration is related to its____________?

   A. Compressive strength B. Tensile strength C. Corrosion D. Creep...

2. High copper dental amalgams are superior to other amalgams because high copper dental amalgems______________?

   A. Have less marginal breakdown B. Are workable at lower Hg-alloy ratio C. Have a higher ratio of tensile to compressive strength D. Have less resistance to tarnish and corrosion...

3. Powders of dental plaster and dental stone differ mainly in____________?

   A. Solubility B. Shelf life C. Chemical formula D. Particle porosity...

4. The main difference between dental stone and dental plaster is______________?

   A. Chemical composition B. Self life C. Sharpe and size of particles D. Solubility in water...

5. The American dental association (ADA) specification number for non-aqueous elastomeric dental impression material is______________?

   A. 19 B. 20 C. 21 D. 26...

6. MEchanism of adhesion of GIC restoration with tooth surface is by mean of ______________?

   A. Carboxyl group B. Chelates with Metal Ions C. C=C double bond D. Polymer chains...

7. Dental Plaque adheres to tooth surface by________________?

   A. Dextran B. Epithelial cells C. Bacteria D. Sucrose...

8. Who was the first person to introduce cast inlay restoration into dentistry ?

   A. William H Taggart B. Buonocore C. G.V. Black D. Bowen...

9. Linear coefficient of thermal expansion of metal used for metal caramic restoration range from________________?

   A. 11.5-12.5×10-6/°C B. 10.5-11.5×10-6/°C C. 13.5-14.5×10-6/°C D. 16.5-17.5×10-6/°C...

10. Which of the following will produce the most rigid restoration for framework of same dimension ?

    A. Wrought alloy B. Palladium alloys C. Cobalt-chrome alloys D. Partial denture casting gold in hardened condition...