A fresh set of 20 random questions is generated every time you open this page and every time you refresh it.For each of the following multiple choice questions, choose the most appropriate answer :
1. Patient complains from pain during mastication which had gold onlays. The pain could be due to:
A. Chemicals from cement.
B. High thermal conductivity of gold.
C. Related to periodontal ligament
D. Cracked tooth or fractured surface
2. The x- ray of choice to detect the proximal caries of the anterior teeth is:
A. Periapical x-ray
B. Bitewing x-ray.
C. Occlusal x-ray.
D. None of these
3. To prevent discoloration under amalgam filling:
A. Use Zn phosphate box.
B. Use cavity varnish
C. Wash the cavity with NaOCL b4 filling.
D. Use the correct amalgam-alloy ratio
4. In the preparation of cavity class II , for restoration with composite resin all Cavosurface angles should be:
A. Well rounded
B. Right angles.
C. Acute angles.
D. Obtuse angles
5. In placement of rupper dam:
A. 4 jaw contact in teeth.
B. Only 4 contacts 2 lingual surface and 2 buccal surface
C. Only 4 contacts 2 mesial and 2 distal
D. None of these
6. Polishing bur have:
A. Less than 6 blades.
B. 6-7 blades.
C. 10-12 blades.
D. More than 12 blades
7. Clinical failure of the amalgam restoration usually occurs from:
A. Improper cavity preparation
B. Faulty manipulation.
C. Both of the above.
D. None of the above
8. In cavity preparation, the width of the cavity is:
A. 1/2 inter cuspal distance.
B. 1/3 inter cuspal distance
C. 2/3 inter cuspal distance.
D. None of these
9. Indirect composite inlay has the following advantages over the direct composite EXCEPT:
A. Efficient polymerization.
B. Good contact proximally.
C. Gingival seal.
D. Good retention
10. Composite for posterior teeth:
A. Microfilled + fine filler.
B. Macroflled + rough filler.
C. Hybrid + rough filler
D. None of these
11. Silicate cement:
A. First tooth colored restoration material
B. It can be used as permanent filling.
C. It contains 12-25 % fluoride
D. A and C
12. Which of the following materials has been shown to simulate reparative dentine formation most effectively when applied to the pulpal wall of a very deep cavity:
A. Copalite varnish.
B. Calcium hydroxide preparation
C. Zinc phosphate cement.
D. Anhydrous class inomer cement
13. Depth of amalgam restoration should be:
A. 1 – 1.5 mm.
B. 1.5 – 2 mm
C. 2 – 3 mm.
D. 3 – 5 mm
14. Hand instrument which we used to make internal angles retentive grooves and preparation of cavity walls in the cavity is:
A. Angle former
B. Chisel.
C. File.
D. Enamel hatched
15. Length of pins must be equals in both tooth and restoration by a depth of:
A. 1 mm.
B. 2 mm
C. 3 mm.
D. 4 mm
16. Indirect composite inlay has the following advantages over the direct composite EXCEPT:
A. Efficient polymerization.
B. Good contact proximally.
C. Gingival seal.
D. Price
17. When polishing the amalgam restoration:
A. Avoid heat generation by using wet polishing paste.
B. Wait 24 hours.
C. A and B
D. Neither of these
18. Calcium hydroxide is best pulp capping material because:
A. It has best seal over pulp.
B. It is alkaline + less irritating to pulp.
C. It induces reparation dentine formation
D. All of these
19. After amalgam titrations, the mix should be placed within:
A. 1 min
B. 3 min
C. 5 min.
D. 10 min
20. Loose enamel rods at the gingival floor of a class II amalgam cavity should be removed using :
A. Straight chisel.
B. Hatchet.
C. Gingival curetla.
D. Gingival marginal trimmer
Public Hospital 554/7 New Anaj Mandi, Fatehabad 125050 M: 9810570740, 9810571993
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