1. Most common relationship of the primary molars in deciduous dentition:

Question 1 of 20

2. Ugly duckling stage coincides with transitional phase

Question 2 of 20

3. What is the cause of relapse after derotation treatment?

Question 3 of 20

4. The point which can be altered by orthodontic tooth movement:

Question 4 of 20

5. Retrusion and protrusion of the mandible cannot be measured by which radiographic cephalometric variable?

Question 5 of 20

6. Which of the following muscle fibers are entrapped in case of thick maxillary labial frenum?

Question 6 of 20

7. Katz classification is based on

Question 7 of 20

8. In a tooth with alveolar bone resorption what will be the change in center of resistance?

Question 8 of 20

9. If the centre of rotation is at the apex of the root, then the orthodontic movement which results is:

Question 9 of 20

10. Which of the following wires can't be soldered and welded?

Question 10 of 20

11. Safety valve mechanism for pubertal growth spurt is:

Question 11 of 20

12. Ratio of Upper Anterior Facial Height to Lower Anterior Facial Height Is

Question 12 of 20

13. Cobalt-Chromium alloy (elgiloy) is not available in which of the following tempers

Question 13 of 20

14. The cranial vault is made up of a number of flat bones that are formed by _________________ , ________ cartilaginous precursors.

Question 14 of 20

15. During intrusion, the center of rotation lies:

Question 15 of 20

16. The most likely reason for extracting four first premolars in orthodontics is because of

Question 16 of 20

17. In a bonded palatal expansion (Hyrax) appliance the wire framework is made of:

Question 17 of 20

18. In a case with Class II malocclusion in a growing child, why is deep bite corrected before overjet:

Question 18 of 20

19. An anterior crossbite in the primary dentition is often indicative of which of the following?

Question 19 of 20

20. Which of the following cements provides maximum resistance to enamel decalcification, when used with molar bands:

Question 20 of 20