A. Compressive strength
B. Tensile strength
C. Corrosion
D. Creep
Related Mcqs:
- 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 - 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% - 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 - Which of the following phases of dental amalgam has minimum strength____________?
A. Gamma 1
B. Gamma 2
C. Epsilon 1
D. Gamma 3 - Once triturated, the Dental amalgam should be condensed with in_____________?
A. 5 minutes
B. 6 minutes
C. 3 minutes
D. 15 minutes - For dental amalgam, the elastic modulus and tensile strength is______________?
A. 40 Gpa and 60 – 100 Mpa
B. 21 Gpa and 27 – 55 Mpa
C. 350 Gpa and 10 – 120 Mpa
D. 360 Gpa and 125 – 130 Mpa - What is the recommended for condensation of dental amalgam ?
A. 35 pounds
B. 3 pounds
C. 15 lb
D. 25 lb - In non zinc containing dental amalgam alloy the percentage of zinc present is______________?
A. Less than 0.02%
B. Less than 0.1%
C. Less than 0.01%
D. None of the above - The dental amalgam is most resistant to________________?
A. Compressive stress
B. Impact stress
C. Shear stress
D. Tensile stress - A highly polished surface on a metallic dental restoration aids considerably in the prevention of the____________?
A. Dimensional change
B. Thermal conductivity
C. Warpage
D. Tarnish and corrosion
