Dental Materials – MCQs

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1.What role does trisodium phosphate play when used with alginate?

2.Which of the following impression materials exhibits elastic properties?

3.What is the American Dental Association (ADA) specification number assigned to non-aqueous elastomeric dental impression materials?

4.Which of the following materials are classified as elastomers?

5.Which impression material exhibits the greatest tear resistance?

6.What is the role of trisodium phosphate when added to alginate impression material?

7.The material used for an agar syringe is compatible with which of the following?

8.Which of the following is a key characteristic of impression compound?

9.Which materials are typically combined with heavy and light body impression materials?

10.Which substance is the hardest to eliminate from a patient's oral cavity?

11.Why is an elastic impression rinsed with a mixture of water and stone slurry before pouring?

12.What is the primary component of reversible hydrocolloid impression material?

13.In which of the following materials does the sol–gel transition occur?

14.Which method is most effective for controlling the setting time of Zinc Oxide Eugenol (ZOE)?

15.How does the compressive strength of impression plaster compare to that of alginate?

16.Vulcanization is the process used to harden which type of dental impression material?

17.What do impression techniques primarily capture in dentistry?

18.What does syneresis indicate in a hydrocolloid gel?

19.Which material is most suitable for making duplicate casts?

20.In condensation polysilicone, the base paste contains low molecular weight dimethyl siloxane that terminates with which functional group?

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