Amalgam means_____________?

Related Mcqs:

1. Green strength with reference to plaster means_____________?

   A. Dry strength
   B. Compressive strength
   C. Strength of dental stone due to green colour
   D. The wet strength

2. Anasarca means_____________?

   A. Abnormal inflammatory process
   B. Severe generalized swelling
   C. Absence of proliferation of vessels following inflammation
   D. Presence of pus

3. Which of the following phases of dental amalgam has minimum strength____________?

   A. Gamma 1
   B. Gamma 2
   C. Epsilon 1
   D. Gamma 3

4. In a high copper amalgam the phase, which is eliminated is_______________?

   A. Gamma 1
   B. Gamma 2
   C. Gamma 1 and 2
   D. No phase is eliminated

5. How soon after a moisture contamination does a zinc containing amalgam alloy start expanding________________?

   A. 24 hours
   B. 1-2 days
   C. 3-5 days
   D. 7 days

6. High strength amalgam is achieved by_____________?

   A. Maximum matrix and minimum alloy phase
   B. Minimum matrix and maximum alloy phase
   C. Maximum matrix phase
   D. Minimum alloy phase

7. Cavo surface angle for amalgam resoration is butt joint as____________?

   A. It increases compresssive and tensile strengths
   B. Decreased compressive, increased strength
   C. Decreased compressive, decrease tensile strength
   D. Increased compressive, increased tensile strength

8. Amalgam achieves 70% of the strength by____________?

   A. hours
   B. 4 hours
   C. 8 hours
   D. 16 hours

9. Amalgam restorations give the best clinical service when the residual mercury content is_______________?

   A. 38-42%
   B. 48-52%
   C. 58-62%
   D. 68-72%

10. Finishing and polishing of Amalgam make the restoration______________?

    A. Increase in tarnish and corrosion resistance
    B. Increase the marginal strength
    C. Decrease the tarnish and corrosion resistance
    D. Increased compressive strength