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. Depth of amalgam restoration should be:
A. 1 – 1.5 mm.
B. 1.5 – 2 mm
C. 2 – 3 mm.
D. 3 – 5 mm
2. 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
3. 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
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 finish class v glass-ionomer cement we do finishing with:
A. Pumice slurry.
B. Aluminum-oxide disc
C. Either of these
D. None of these
6. 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
7. 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
8. 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
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. Maximum time elapsed before condensation of amalgam after titration:
A. 1 minute.
B. 3 minutes
C. 6 minutes.
D. 9 minutes
11. 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
12. What is the copper ratio that eliminates gamma phase 2:
A. 2% copper
B. 4% copper
C. 10 % copper
D. 13 % copper
13. 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
14. 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
15. 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
16. Removal of Undermined Enamel in Class II cavity is done by :
A. Chisel
B. Angle former
C. Excavator
D. All of these
17. What can we use under composite restoration:
A. Calcium hydroxide
B. ZOE.
C. ZINC phosphate cement
D. All of these
18. To provide maximum strength of amalgam restoration the cavo-surface angles should not:
A. Approach 75 Image with outer surface.
B. Approach 90 Image with outer surface.
C. Be supported by sound dentine.
D. Be located in area free of occlusal stress
19. 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
20. 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
Public Hospital 554/7 New Anaj Mandi, Fatehabad 125050 M: 9810570740, 9810571993
Tel: 01667221011, 9810570740, 9810571993 facebook.com/doctorkc