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. 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
2. 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
3. Calcium hydroxide is used in deep cavity because it is:
A. Simulate formation of 2nd dentine
B. Not irritant to the pulp.
C. For thermal isolation
D. All of these
4. 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
5. In Class V composite restorations a layer of bonding agent is applied:
A. Following removal of cement then cured
B. Following removal of cement and not cured.
C. Cured then remove cement
D. None of these
6. 7 days after amalgam restoration, patient came complaining of pain during putting spoon on the restored tooth because:
A. Irreversible pulpitis.
B. Reversible pulpitis.
C. Broken amalgam.
D. Galvanic action
7. Selection of shade for composite is done:
A. Under light.
B. After drying tooth & isolation with rubber dam
C. Both A and B
D. None of the above
8. Composite for posterior teeth:
A. Microfilled + fine filler.
B. Macroflled + rough filler.
C. Hybrid + rough filler
D. None of these
9. 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
10. After class V GI restoration removal of a thin flush of GI is done by:
A. Scaller or knife immediately.
B. Finishing stone immediately.
C. Finishing stone later.
D. Both A and C
11. 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
12. 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
13. What can we use under composite restoration:
A. Calcium hydroxide
B. ZOE.
C. ZINC phosphate cement
D. All of these
14. Patient feels pain of short duration after class II restoration. Diagnosis is:
A. Reversible pulpitis (Hyperemia)
B. Irreversible pulpitis.
C. Periodontitis
D. None of these
15. Selection of shade for composite is done:
A. Under light.
B. After drying tooth and isolation with rubber dam.
C. Both A and B
D. None of these
16. The following chemically bond to the tooth:
A. Composite resin.
B. Dental sealants.
C. Glass ionomer cement
D. All of the above
17. Indirect composite inlay overcome the direct composite by:
A. Insufficient polymerization
B. Good contact proximally
C. Gingival seal
D. All of these
18. Indirect composite inlay has the following advantages over the direct composite EXCEPT:
A. Efficient polymerization.
B. Good contact proximally.
C. Gingival seal.
D. Price
19. ompomer restorative materials are:
A. Glass ionomer with polymer components
B. Resin systems with fluoride containing glasses
C. Composite resin for cervical restorations only
D. All of these
20. 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
Public Hospital 554/7 New Anaj Mandi, Fatehabad 125050 M: 9810570740, 9810571993
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