1. Ideally, the width of the isthmus should be

Question 1 of 20

2. Following trauma, bluish-grey discolouration of the crown of an anterior tooth is due to

Question 2 of 20

3. Your patient is 8 years old. Tooth #8 was avulsed and you replanted it within 30 minutes. What is the best splint to use?

Question 3 of 20

4. Which of the following is the most recommended endodontic obturating material for deciduous teeth?

Question 4 of 20

5. The greatest problem in pulpal diagnosis is predicting the amount or extent of

Question 5 of 20

6. Which of the following local anesthetic techniques is recommended for anesthetizing a primary mandibular second molar which will be extracted?

Question 6 of 20

7. A mother brings a 9 year old child with pain in the right lower tooth. The mother gives a history that the child suffered multiple episodes of cold and fever in the recent past. On examination, the lower right deciduous first molar was found to have proximal caries. What is the first line of investigation?

Question 7 of 20

8. Pulp extirpation in primary teeth is mechanically difficult because of

Question 8 of 20

9. The KRI paste is composed of

Question 9 of 20

10. A periapical radiograph of a 7 year old child reveals an inverted mesiodens. Tooth 1.1 is partially erupted and tooth 2.1 has not yet erupted. The most appropriate management is to

Question 10 of 20

11. When no new decay is formed, the frequency of repeated bitewing radiographs recommended in permanent dentition is

Question 11 of 20

12. In preparing a primary first molar for a stainless steel crown, the surface requiring the least amount of reduction is

Question 12 of 20

13. Keyes triad is related to

Question 13 of 20

14. Your patient is 7 years old and has a very large, carious lesion on tooth T. What radiological factors should be used in determining the best treatment of choice between pulpotomy and primary endodontics?

Question 14 of 20

15. A CONTRAINDICATION for a pulpectomy on a primary molar is

Question 15 of 20

16. All of the following statements are true except:

Question 16 of 20

17. When treating rampant dental caries the first step is to

Question 17 of 20

18. Pulp tests 24 hours after injury to a fractured central incisor of a 9 year old indicate that the tooth is nonvital. The fracture is limited to the enamel without pulpal exposure. The pulp should be considered as

Question 18 of 20

19. The most common cause of an anterior cross bite in mixed dentition is:

Question 19 of 20

20. Which of the following factors is the least likely to cause an instrument separating inside a root canal?

Question 20 of 20