Orthodontic #4

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

2. A 7 year old child has a badly carious deciduous mandibular first molar that needs removal. What space maintainer will you advise?

3. Safety valve mechanism for pubertal growth spurt is:

4. In Steiner’s analysis, SNA is 82 degrees. This indicates:

5. Maxillary arch increases in length by:

6. The predominant type of movement produced by a finger spring on a removable appliance is

7. Facial index of 85.6% means:

8. Fishman’s index is used for:

9. Which of the following materials is not used as antiflux?

10. Incisal liability in the maxillary and mandibular arch is:

11. A 5 year and 4 months old child has a retrusive chin with reduced lower facial height, on intraoral examination, full cusp distal step molar relation is seen. The cephalometric parameters reveal a normal SNA but a reduced SNB. What should be the line of treatment

12. Continuous heavy orthodontic forces cause:

13. Which of the following bone is used for estimation of growth in an individual:

14. At age 9, a pt needs his tooth #30 extracted due to caries. What is the proper space maintenance treatment?

15. Which of the following Class II Division 1 malocclusion(s) is/are most likely to be corrected with a cervical headgear?

16. To produce pure translatory motion in a tooth, what type of force is required

17. Pitch of the hyrax screw is?

18. All of the following are types of tooth movement EXCEPT one. Which one is the EXCEPTION?

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

20. Serial extraction procedures involve: