Medical Mcqs – MCQs

5140 questions. Click to practice.

Correct options are highlighted when revealed.

1.Which of the following materials chemically bonds to enamel (calcified tissue)?

2.What is the effect of adding more powder to the zinc phosphate cement mixture?

3.What is the recommended temperature range (in °F) for the mixing slab used with silicate cements?

4.Which dental cement is known to promote the rapid development of reparative dentin?

5.Which of the following materials contain a high amount of fluoride?

6.What does dynamic creep refer to in dental amalgam?

7.Which type of stress does dental amalgam best withstand?

8.According to ADA specification number 1, what is the minimum compressive strength required for a silver amalgam filling after one hour?

9.What is the typical copper content range in admixed high copper alloy powder?

10.How does finishing and polishing an amalgam restoration affect its properties?

11.Which factor most effectively regulates the setting time of dental amalgam?

12.What is the maximum zinc content in a dental amalgam alloy classified as non-zinc containing?

13.Why are high copper dental amalgams considered better than other types of amalgams?

14.Which element makes up the majority of an amalgam alloy?

15.What is the purpose of trituration during the process of amalgamation?

16.For optimal clinical performance, what is the ideal residual mercury percentage in amalgam restorations?

17.What is the typical tin content percentage found in low copper alloys?

18.What is responsible for the expansion observed in amalgam that contains zinc?

19.Which characteristic do both amalgam and ceramics share?

20.Which component in an amalgam alloy is responsible for reducing its expansion?