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. It has been proven that amalgam restoration has the following characteristics:
A. Micro leakage decrease with aging of the amalgam restoration.
B. It is the least techniques sensitive of all current direct restorations.
C. High dimensional changes.
D. All of these
2. A class IV composite resin restoration should be finished with a:
A. No. 330 Tungsten carbide bur.
B. Mounted stone.
C. 12- fluted carbide bur
D. Coarse diamond point stone
3. The following chemically bond to the tooth:
A. Composite resin.
B. Dental sealants.
C. Glass ionomer cement
D. All of the above
4. Rubber dam is contraindicated in:
A. Patient with obstructive nose
B. Mentally retarded Patient
C. Un comparative child.
D. All of these
5. 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
6. Indirect composite inlay has the following advantages over the direct composite EXCEPT:
A. Efficient polymerization.
B. Good contact proximally.
C. Gingival seal.
D. Price
7. 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
8. 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
9. 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
10. Depth of amalgam restoration should be:
A. 1 – 1.5 mm.
B. 1.5 – 2 mm
C. 2 – 3 mm.
D. 3 – 5 mm
11. What can we use under composite restoration:
A. Calcium hydroxide
B. ZOE.
C. ZINC phosphate cement
D. All of these
12. After amalgam titrations, the mix should be placed within:
A. 1 min
B. 3 min
C. 5 min.
D. 10 min
13. MOD amalgam restoration with deep mesial box, PT come with pain related to it after 1 month due to:
A. Pulp involvement
B. Supraocclusion.
C. Upon contact.
D. Gingival recession
14. Reduction in amalgam restoration should be:
A. 1-1.5 mm.
B. 1.5-2 mm
C. 2-3 mm
D. 3-5 mm
15. 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
16. 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
17. 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
18. Polishing bur have:
A. Less than 6 blades.
B. 6-7 blades.
C. 10-12 blades.
D. More than 12 blades
19. 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
20. Patient complains from pain in 45 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
Dr K Chaudhry 5 Alpha Inmternational City, Fatehabad 125050 M: 9810570740, 9810571993facebook.com/doctorkc