The term trituration means____________?

Related Mcqs:

1. Over-trituration of silver alloy and mercury_______________?

   A. Reduces contraction
   B. Increases the strength of lathe cut alloy but reduces the strength of spherical alloy amalgam
   C. Decreases creep
   D. Gives al dull and crumbly amalgam

2. Which one of the following is not an objective of trituration ?

   A. Remove oxides from powder particle surface
   B. Keep the amount of gamma-1 or gamma-2 matrix crystals to maximum
   C. Pulverize pelletes into particles to aid in attack by mercury
   D. Achieve a workable mass of amalgam in minimum time

3. 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

4. During amalgamation, trituration is done to_____________?

   A. Dissolve the alloy in mercury
   B. Coat the alloy particle with mercury
   C. Remove excess mercury from the amalgam
   D. Dissolve Hg in alloy

5. The term diphydont means____________?

   A. Second dentition
   B. Two same sets of dentition
   C. Two separate sets of dentition
   D. More than two sets of dentition

6. The processing of short-term memory to long term memory is done in_______________?

   A. Prefrontal cortex
   B. Hippocampus
   C. Neocortex
   D. Amygdala

7. The term given to the phenomenon of moisture absorption by an alginate impression in________________?

   A. Imbibition
   B. Syneresis
   C. Hysteresis
   D. Gelation

8. The term ordered hardening heat treatment used in which of the following dental alloys ?

   A. Gold-Copper
   B. Nickel-Chromium
   C. Nickel-Titanium
   D. Silver-Palladium

9. Mention the drug causing gynecomastia hirsuitism, menstrual disturbance on long-term use______________?

   A. Hydrochlorthiazide
   B. Amiloride
   C. Spironolactone
   D. Acetazolamide

10. Which of the following is an irreversible side enact resulting from long term administration of phenothiazline antipsychotics__________________?

    A. Infertility
    B. Parkinsonism
    C. Tardive dyskinesia
    D. B & C