Dental Materials – MCQs

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1.What is the name of the defect that appears on the lingual flange of a lower denture due to rapid heating during the curing process?

2.What is the typical particle size range found in microfilled composite materials?

3.What do we call a substance made by combining two distinct materials, resulting in unique properties?

4.Which material exhibits the greatest coefficient of thermal expansion?

5.What is the most recent technique used for curing denture base resins?

6.Which advantage of composite resin restorations over silicate cement restorations is commonly cited?

7.Why is it important to follow an appropriate heating cycle when curing heat-cure resin?

8.During the restoration of a tooth using resin, acid etching achieves all of the following except ________?

9.Which type of restoration is typically chosen for cosmetic zones that demand a high shine finish?

10.Which type of resin material has the highest water absorption capacity?

11.Which type of dental restoration typically exhibits marginal percolation and shrinkage?

12.Which laser type is most frequently utilized for polymerizing composite resin materials?

13.What is the percentage of polymerization shrinkage when a powder-to-liquid ratio of 3:1 is applied?

14.What type of bond connects the macromolecules in dental resin?

15.Besides polymerization shrinkage, what is another significant drawback of polymethyl methacrylate when used as a denture base material?

16.Which organic silicon compound is the most frequently used as a coupling agent?

17.In a one-bottle adhesive resin system, what is true regarding the etching procedure?

18.What is the primary benefit of using acid etching in dental procedures?

19.What is another term used for VLC resins?

20.By how much does cold-cure acrylic expand when immersed in water?

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