Dental Cements MCQ Quiz _ Dental Material MCQs

Dental Cements MCQ Quiz _ Dental Material MCQs

1. Which of the following restorative materials demonstrates maximum water solubility?
A. Light cure GIC
B. Microfilled composite
C. Conventional composites
D. Hybrid composites

2. pH of non-eugenol cement is
A. 6
B. 7
C. 8
D. 9

3. Ionic bonding is found in
A. GIC
B. Polycarboxylate cement
C. Zinc phosphate cement
D. All of the above

4. Cement that resembles dental caries radiographically is
A. Ca(OH)2
B. Zinc oxide eugenol
C. Amalgam
D. Zinc phosphate

5. Restoration that is radiolucent is
A. Amalgam
B. Composite
C. Zinc oxide eugenol
D. Zinc phosphate

6. Liquid used in polycarboxylate cement is
A. Poly acrylic acid
B. Phosphoric acid
C. Eugenol
D. Methacrylic acid

7. Resins are incorporated in zinc oxide eugenol cements to
A. Decrease the strength
B. Increase the strength
C. Decrease the film thickness
D. None of the above

8. Which of the cements has thermal conductivity similar to that of dentine?
A. Calcium hydroxide
B. Zinc silicophosphate
C. Zinc oxide eugenol
D. IRM

9. Cavity varnish should not be used with resin restorations as
A. It interferes with the adhesion of resin
B. Methyl methacrylate dissolves the cavity varnish
C. It affects the strength of the restoration
D. It prevents fluoride uptake by the enamel

10. Vitremer is
A. Metal-modified GIC
B. Polyacid-modified composite
C. Resin-modified GIC
D. Light-cured GIC

11. Important property of pit and fissure sealant is
A. Low viscosity
B. Color
C. High filler content
D. Fluoride release

12. Which of the following cements provides maximum resistance to enamel decalcification when used with orthodontic bands?
A. GIC
B. Silicate
C. ZnPO4
D. Zinc polycarboxylate

13. Zinc phosphate compared to GIC has
A. Higher compressive strength
B. Higher tensile strength
C. Higher modulus of elasticity
D. Greater film thickness

14. Compomer is
A. Polyacid-modified composite
B. Polyacid-modified GIC
C. Polyacid-modified resin
D. Polyacid-modified acrylic

15. Which of the following has low anticariogenic property?
A. Zn phosphate
B. GIC
C. Zinc oxide eugenol
D. Zinc polycarboxylate

16. Disadvantages of zinc phosphate cement are
A. Poor biocompatibility
B. Acidic pH
C. Low compressive strength
D. All of the above

17. The main purpose of stannous fluoride in zinc polycarboxylate cement is
A. Fluoride release
B. To increase strength
C. For better handling purpose
D. To increase setting time

18. Which of the following cements is truly adhesive to the tooth structure?
A. GIC
B. ZOE
C. Calcium hydroxide
D. Zinc phosphate

19. Which of the following cements has obtundant property?
A. Zinc phosphate
B. GIC
C. Zinc polycarboxylate
D. Zinc oxide eugenol

20. Ceramic restorations are cemented using
A. GIC cement
B. Resin cement
C. Zinc phosphate cement
D. Zinc oxide eugenol cement

21. Which of the following is similar to composite in composition?
A. Zinc oxide eugenol
B. Glass ionomer cement
C. Varnish
D. Resin cement

22. Permanent cement that is mixed on glass slab is
A. Bonding agents
B. Glass ionomers
C. Zinc oxide eugenol
D. Zinc phosphate

23. Which of the following is very diverse in its application?
A. Bonding agents
B. Composites
C. Resin cements
D. Glass ionomer cements

24. Which of the following cements is/are used as an intermediate restorative material?
A. Zinc phosphate
B. Polycarbonates
C. Both of the above
D. None of the above

25. Thickness of varnishes should be
A. 0.01 mm
B. 0.1 mm
C. 1 mm
D. 0.25 mm

26. Varnish should not be used under restorations of
A. GIC
B. Composite
C. Resin modified GIC
D. All of the above

27. Which of the following is not an objective of a base?
A. To protect pulp from various irritants
B. To encourage recovery of the injured pulp
C. To provide mechanical support for the pulp
D. None of the above

28. Type III ZOE is used in
A. Temporary cementation
B. Permanent cementation
C. Temporary filling
D. Cavity liner

29. Type of ZOE used in cavity liners is
A. Type I
B. Type II
C. Type III
D. Type IV

30. Least percentage of which of the following is found in zinc oxide-eugenol cement
A. Zn oxide
B. White resin
C. Zn stearate
D. Olive oil

31. Which of the following has low pH?
A. Zinc phosphate
B. GIC
C. Cermet
D. Zinc polycarboxylate

32. Which of the following has highest solubility?
A. Calcium hydroxide
B. Zinc phosphate
C. Zinc oxide eugenol
D. Resin cements

33. Which of the following cements lacks anticariogenic properties?
A. Zinc phosphate
B. Calcium hydroxide
C. GIC
D. Zinc silicophosphate

34. Which of the following cements cannot be used when esthetic demand is high?
A. Calcium hydroxide
B. Zinc silicophosphate
C. Zinc phosphate
D. Cermet

35. Which of the following cements has low modulus of elasticity?
A. Zinc phosphate
B. Zinc polycarboxylate
C. GIC
D. Resin cements

36. Recommended powder liquid ratio for zinc phosphate cement is
A. 1.4 mg powder to 0.5 ml liquid
B. 2.4 mg powder to 1.5 ml liquid
C. 3.4 mg powder to 2.5 ml liquid
D. 1.4 mg powder to 1 ml liquid

37. Acid concentration of polyacrylic acid used in zinc polycarboxylate cement is
A. 50%
B. 70%
C. 37%
D. 20%

38. The purpose of tartaric acid in GIC is to
A. Improve handling characteristics
B. Increase working time
C. Decrease viscosity
D. All of the above

39. The particle size for luting/cementing agents in GIC cement is
A. 15 micrometers
B. 25 micrometers
C. 10 micrometers
D. 5 micrometers

40. GIC type used for luting and orthodontic brackets’ bonding purpose is
A. Type 1
B. Type 2A
C. Type 2B
D. Type 3

41. Restoration that is radiolucent is
A. Amalgam
B. Composite
C. Zinc oxide eugenol
D. Zinc phosphate

42. Compressive strength of small particle hybrid composite is (in MPa)
A. 350–400
B. 300–350
C. 250–300
D. 400–450

43. Size of flowable hybrid composite in micrometers is
A. 8–12
B. 0.5–3
C. 0.04–0.4
D. 0.6–1

44. Filler size of mini filler in micrometers is
A. 10–100
B. 0.1–10
C. 0.1–1
D. 0.01–0.1

45. Radiopacity of small particle hybrid composite in mm aluminum is
A. 1–2 mm
B. 0.1 mm
C. 2–3 mm
D. 2–4 mm

46. Compressive strength is least for
A. Unfilled acrylic resin
B. Traditional composites
C. Hybrid composites
D. Microfilled composites

47. Water sorption is highest for
A. Microfilled composites
B. Hybrid-small particles
C. Traditional
D. Hybrid-flowable

48. Knoop hardness number is least for
A. Unfilled acrylic
B. Traditional composites
C. Hybrid
D. Microfilled

49. Filler (in volume %) content is highest for
A. Hybrid-small particle
B. Microfilled composites
C. Flowable composites
D. Packable composites

50. Filler (in volume %) content of microfilled composites is
A. 60–70%
B. 20–60%
C. 80–90%
D. 65–80%

51. Which component of composites exhibits estrogenicity?
A. Bis – GMA
B. TEGDMA
C. UDMA
D. Bis – EMA

52. A major problem with microfilled composites is
A. They tend to be sticky and slump
B. They tend to wear off soon (inferior ability to resist wear)
C. They cannot be polished
D. They are more radiolucent

53. A major problem with microfilled composites is
A. They cannot be used much in anterior surfaces as they are more radioopaque
B. They tend to wear off soon (inferior ability to resist wear)
C. They cannot be polished
D. They have less filler content

54. Statement A – Macrofilled composites are easier to handle than micros filled to the same density. Statement B – Greater surface-to-volume ratios give microparticles one advantage over macroparticles.
A. Both statements are correct
B. Both statements are wrong
C. Statement A is wrong and B is correct
D. Statement B is wrong and A is correct