Endodontics 1

1. To irrigate necrotic pulp most effective is?

EDTA

Naocl

Saline

None

2. Which one of the following has tissue dissolving properties?

Sodium hypochlorite

Saline

Citric acid

EDTA

3. To prevent fracture inside canal number of turns given inside the canal in a single motion should be?

Less than 1/4 of a turn

One full turn

1/4 to 1/2

More than 3/4

4. Large, fast conducting low threshold fibres are?

C fibres

A delta fibres

Both

None

5. Ca(OH)2 based sealer is?

Vitapex

Tubliseal

Wachs cement

Al

6. How much gutta percha should be left to prevent leakage from post placement?

4 mm

2mm

1 mm

None

7. Gutta percha is plasticized by?

Alcohol

Chloroform

EDTA

None

8. AH 26 is a ?

Euginol based sealer

Ca(OH)2 based sealer

Resin based sealer

None

9. Root canal most difficult to prepare in maxillary molar?

Mesiobuccal

Palatal

Distobuccal

All

10. In elderly patients distance between major and minor apical foramina is?

1.75-2 mm

0.75-1 mm

1-2 mm

0.1-0.2

11. For identification of canal instrument used is?

DG 14 explorer

DG 16 explorer

DG 12 explorer

None

12. Dakin's solution contains?

Chlorine

Naocl

Phenol

All

13. RC prep contains?

EDTA

Urea peroxide

Glycol

All

14. Incidence of 3rd root in upper first premolar?

10%

6%

12%

1%

15. Chlorhexidine is usually used as an?

Initial irrigant

Intermediate irrigant

Final irrigant

None

16. Powder liquid ratio of MTA is?

1:3

3:1

3:2

1:1

17. Two or three canals with no connection comes under Kims classification

Type 1

Type 2

Type 3

Type 5

18. Protaper of same tip diameter is?

S1F3

S1 F1

S2 F1

All

19. Bur used to create access opening in a PFM crown is?

Carbide bur

Diamond bur

Both

None

20. Limit of eccentricity of air rotor is?

0.01 mm

0.04 mm

0.03 mm

0.02 mm

Endodontics 1

1. To irrigate necrotic pulp most effective is?

2.

What first name or nickname would you like us to use?

2. Which one of the following has tissue dissolving properties?

3. To prevent fracture inside canal number of turns given inside the canal in a single motion should be?

4. Large, fast conducting low threshold fibres are?

5. Ca(OH)2 based sealer is?

6. How much gutta percha should be left to prevent leakage from post placement?

7. Gutta percha is plasticized by?

8. AH 26 is a ?

9. Root canal most difficult to prepare in maxillary molar?

10. In elderly patients distance between major and minor apical foramina is?

11. For identification of canal instrument used is?

12. Dakin's solution contains?

13. RC prep contains?

14. Incidence of 3rd root in upper first premolar?

15. Chlorhexidine is usually used as an?

16. Powder liquid ratio of MTA is?

17. Two or three canals with no connection comes under Kims classification

18. Protaper of same tip diameter is?

19. Bur used to create access opening in a PFM crown is?

20. Limit of eccentricity of air rotor is?