1. Which of the following is the most predominant organism in failed Root Canal Treatment cases

Question 1 of 20

2. Initial instrumentation in endodontic treatment is done to the level of the _____.

Question 2 of 20

3. After preparation, deep cavities should be sterilized with

Question 3 of 20

4. Which modality is used to measure the rate of blood flow in pulp:

Question 4 of 20

5. The retention-resistance form of a Class II inlay cavity is dependent upon all of the following, except

Question 5 of 20

6. Common component of most root canal sealers is:

Question 6 of 20

7. A patient walks into your office for an emergency visit. He asks the receptionist for a cold glass of water and seems to be tilting his head sideways as to hold the water on one side of his mouth. Immediately, you suspect which reason for his visit?

Question 7 of 20

8. Retentive locks in the proximal box for a Class II amalgam preparation should be:

Question 8 of 20

9. In clinical practice we find commonly that some teeth show cervical concavities with enamel loss and vertical fracture lines extending towards the tip of clinical crown. This situation is defined as:

Question 9 of 20

10. The best way to carve amalgam back to occlusal cavosurface margin is to _____.

Question 10 of 20

11. A hockey player gets hit with a stick, and his central incisors are intruded. Which of the following is the least useful examination procedure?

Question 11 of 20

12. To achieve the objectives of vertical condensation, it is necessary to produce

Question 12 of 20

13. Common signs of trauma from occlusion include

Question 13 of 20

14. During an intracoronal bleaching procedure the surface to which bleaching agent is applied is the?

Question 14 of 20

15. When using bioactive substances for the repair, of a root perforation, which of the following zones will not be seen

Question 15 of 20

16. The most important aspect of irrigation is:

Question 16 of 20

17. Root canal therapy is completed on a mandibular first molar and closed temporarily with a cotton pellet and a temporary sealing material, withplans for a definitive restoration to be placed as soon as possible. What is the most important factor in ensuring the success of the procedure?

Question 17 of 20

18. Retention for a Class 5 amalgam cavity is obtained by

Question 18 of 20

19. True in case' of traumatic tooth fracture involving dentin:

Question 19 of 20

20. Painful pulpitis associated with an inflamed or degenerating pulp

Question 20 of 20