1. The material which is not as hard as the others, (lowest KHN) is

Question 1 of 20

2. 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 2 of 20

3. Which of the following is considered a reversible carious lesion?

Question 3 of 20

4. Micro abrasion using modified Croll technique utilizes:

Question 4 of 20

5. When a calcified root canal cannot be located or instrumented

Question 5 of 20

6. A dentin bonding agent has two ends: hydrophilic and hydrophobic. The hydrophobic end binds to:

Question 6 of 20

7. Which of the following statements best describes treatment options for a separated instrument at the initial stage of cleaning and

Question 7 of 20

8. The earliest and most common symptom associated with an inflamed pulp is:

Question 8 of 20

9. All of the following reasons are likely to indicate the need for restoration of a cervical notch except _____.

Question 9 of 20

10. Which of the following diagnostic criteria is least reliable in the assessment of the pulpal status of the primary dentition?

Question 10 of 20

11. Which of the following is not a type of chisel?

Question 11 of 20

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

Question 12 of 20

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

Question 13 of 20

14. S. Shape of access cavity preparation in a mandibular molar with four canals

Question 14 of 20

15. When instrumenting and subsequently obturating a root canal, the length should be determined by the:

Question 15 of 20

16. What carat gold foil is used for direct filling restorations?

Question 16 of 20

17. Bonding of resins to dentin is best described as involving _____.

Question 17 of 20

18. Which of the following is the most significant cause of ledge formation?

Question 18 of 20

19. All of the following statements about slot retained complex amalgams are true except _____.

Question 19 of 20

20. Which of the following is an activator used in ultraviolet lightcuring resin Systems

Question 20 of 20