Medical Mcqs – MCQs

5140 questions. Click to practice.

Correct options are highlighted when revealed.

1.Which firing method is considered more effective: a shorter duration at a higher temperature or a longer duration at a lower temperature?

2.In a PFM crown, how does porcelain adhere to the metal framework?

3.What type of restoration is referred to as Dicor?

4.What is true about opaque porcelain in dental restorations?

5.Which substance acts as a flux in dental ceramics?

6.Which component is absent in the composition of porcelain?

7.Which of the following is classified as a machinable glass ceramic?

8.What is the term for the effect where porcelain looks different when viewed under different lighting conditions?

9.In porcelain, metal components are incorporated into which type of matrix?

10.During the condensation phase, what factor influences the porosity of porcelain?

11.Which additive is used to create opacity in ceramic materials?

12.Which of the following statements about porcelain denture teeth is correct?

13.What are the primary components of glass ionomer cements?

14.What is the minimum required thickness for type I zinc phosphate cement?

15.What characteristic is shared by both zinc eugenol cement and polycarboxylate cement?

16.Which of the following substances, when added, speeds up the setting process of zinc oxide cement?

17.What is the pH range of zinc phosphate once it has completely set?

18.Among the following types of dental cements, which one causes the greatest irritation to the pulp tissue?

19.What is the pH level of a polycarboxylate liquid?

20.When choosing the color of cement for cementing a porcelain jacket crown, the powder should be mixed with which of the following for testing?