Dental Materials MCQs with answers for medical students. Dental Materials questions with answers for all competitive exams and test preparation. Dental materials MCQs with answers pdf, MCQ dentistry PDF with answers,
Once triturated, the Dental amalgam should be condensed with in ?
A. 6 minutes
B. 15 minutes
C. 5 minutes
D. 3 minutesHigh strength amalgam is achieved by ?
A. Maximum matrix phase
B. Minimum alloy phase
C. Maximum matrix and minimum alloy phase
D. Minimum matrix and maximum alloy phaseWhich of the following does not occur in High Copper Amalgam?
A. Penetrating Corrosion
B. Chemical Corrosion
C. . Electrochemical Corrosion
D. Corrosion does not occur at allFor dental amalgam, the elastic modulus and tensile strength is ?
A. 350 Gpa and 10 – 120 Mpa
B. 360 Gpa and 125 – 130 Mpa
C. 21 Gpa and 27 – 55 Mpa
D. 40 Gpa and 60 – 100 MpaAdequate mixing of mercury is indicated by ?
A. Shiny Mix
B. Short Mixing Time
C. Dry Mix
D. None of themGallium and indium added to Amalgam replace ?
A. Zinc
B. Mercury
C. Silver
D. TinHigh copper amalgam can be produced ?
A. From irregular and spherical particles
B. From traditional alloy particles
C. From smooth atomized particles
D. From lathe cut particlesWhat is the most frequently used restorative material?
A. Composite
B. Gold
C. Amalgam
D. SilicateWhich of the following silver amalgam alloy have the maximum strength ?
A. Admixed
B. Single composition
C. Lathe cut
D. SphericalCopper content in low copper amalgam is ?
A. 19%
B. 6%
C. 12-30%
D. 29%