1. Traumatized tooth with a necrotic pulp shows a periapical area of rarefaction radiographically. The pulpal area is closed. Viable microorganisms might be cultured from the canal in approximately what percentage of the cases

Question 1 of 20

2. An 8-year-old patient presents to your office for an emergency visit with a traumatic exposure of tooth #9. The treatment of choice for this patient is

Question 2 of 20

3. When removing caries, which of the following layers of dentin are affected, but not infected, and therefore do not need to be removed?

Question 3 of 20

4. The reduction of which of the following represents the most significant advantage of the acid etch technique

Question 4 of 20

5. Micro abrasion is done using:

Question 5 of 20

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

Question 6 of 20

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

Question 7 of 20

8. Silver cones are indicated in:

Question 8 of 20

9. An Asian patient presents to your office with pain bilaterally in her lower second premolars. Both teeth are sensitive to percussion and show periapical radiolucencies on radiographic examination. The teeth do not respond to either cold or electric pulp tests. There is an irregular bulge on the occlusal surfaces of each tooth. The most likely diagnosis is:

Question 9 of 20

10. Which of the following instrument is used for removal of pulp tissue and other soft materials from root canal/puIp chamber:

Question 10 of 20

11. Delayed expansion of amalgam restorations is associated with which two factors? 1. Insufficient trituration and condensation 2. High residual mercury 3. The contamination of the amalgam by moisture during trituration and condensation 4. The failure to use a cavity varnish

Question 11 of 20

12. Tooth with maximum accessory canals attached to furcation area:

Question 12 of 20

13. What should be the first treatment for an acutely avulsed tooth.

Question 13 of 20

14. Recognition of wall convergence angles in crown preparation will determine if undercuts are produced when taper is too small and if retention is undermined when taper is too large. What degree of wall convergence during crown preparation will give the prosthesis optimal retention?

Question 14 of 20

15. At what stage is endodontic treatment considered complete?

Question 15 of 20

16. A 16 year old boy reports with a history of traumatic injury 3 hours back leading to the avulsion of the tipper permanent incisor. The tooth is present with the patient. Which of the following should be the line of treatment

Question 16 of 20

17. In the double cone pattern of proximal caries extending through enamel and dentin, the apices of the two cones

Question 17 of 20

18. Which of the following may be used to fill the pathologic void of a non perforating internal resorption:

Question 18 of 20

19. Disadvantage of Minocycline in 3 mix triple antibiotic paste used for disinfection of root canal prior to revascularization is:

Question 19 of 20

20. Which type of obturation technique requires heat?

Question 20 of 20