Dicor restoration is_______________?

Related Mcqs:

1. The effect of trituration on strength in an amalgam restoration depends on______________?

   A. Amalgam alloy
   B. Trituration time
   C. Speed of amalgamator
   D. All of the above

2. The average life of silicate cement restoration is______________?

   A. 2 years
   B. 4 years
   C. 6 years
   D. 8 years

3. The cavity varnish applied reduces post operative sensitivity in amalgam restoration by____________?

   A. Decreasing conduction of heat to pulp
   B. Minimize marginal leakage around restoration
   C. By altering the chemical composition of restoration materials
   D. By preventing penetration of corrosion products into the dentinal tubules

4. 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

5. Pitting of direct filling old restoration usually results from_________________?

   A. Using contaminated gold foil
   B. Poor finished preparation
   C. Improper stepping of condenser point
   D. Using small condenser point

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

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

7. 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

8. 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

9. The restoration which shows percolation and shrinkage along the margins is_____________?

   A. Composites
   B. Unfilled resins
   C. Amalgam
   D. Polycarboxylate

10. 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