A. Lathe cut
B. Spherical
C. Admixed
D. Single composition
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Related Mcqs:
- Which of the following statements about high copper silver alloy compared to conventional alloy is not true ?
- A. It has increased tensile and compressive strength B. It has poor tarnish and corrosion resistance C. It’s edge strength is greater D. Mercury content in the final restoration is less...
- Which phase provides maximum strength in hardened mercury/silver alloy ?
- A. Silver / Mercury phase B. Silver / Tin phase C. Tin / Mercury phase D. Zinc / Mercury phase...
- Increase in the residual mercury in silver amalgam filling can_____________?
- A. Cause fracture of the filling B. Tarnish and corrosion C. Increase the strength D. Decrease condensation pressure...
- The tarnished layer of silver amalgam consists of________________?
- A. Sulphides of silver B. Oxides of tin C. Chlorides of tin D. All of the above...
- According of ADA specification No or number 1, the minimum compressive strength for silver amalgam filling aftr one hour should be________________?
- A. 80 Mpa B. 140 Mpa C. 260 Mpa D. 510 Mpa...
- Which of the following are characteristic feature of high copper amalgam alloy ?
- A. Low compressive strength B. High marginal breakdown C. Less marginal # D. High creep...
- Which of the following constituents of amalgam alloy decreases expansion____________?
- A. Copper B. Zinc C. Silver D. Tin...
- 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...
- Mercury rich condition in a slow setting amalgam alloy system in a resoration in______________?
- A. Accelerated corrosion B. Fracture of the restoration C. Merginal damage D. All of the above...
- The largest component of amalgam alloy is_____________?
- A. Silver B. Tin C. Zinc D. Copper...
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