1. Which one of the following is most common iatrogenic effect of acid etching on enamel?

Question 1 of 20

2. Which of the following metals shows the property of twinning

Question 2 of 20

3. Orthodontic elastomerics are made of

Question 3 of 20

4. Alveolar bone grafting in cleft patient is best done

Question 4 of 20

5. The highest 'point in the concavity behind the occipital condyle is

Question 5 of 20

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

Question 6 of 20

7. Which of the following soft tissue of oro-facial region mature first:

Question 7 of 20

8. In a mouth breather, tonicity of upper lip is

Question 8 of 20

9. Major site of growth of the mandible:

Question 9 of 20

10. The total eruption path of a first permanent molar is about

Question 10 of 20

11. The best space maintainer to prevent the lingual collapse that often occurs following the early loss of a mandibular primary canine is a

Question 11 of 20

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

Question 12 of 20

13. Apertognathia means:

Question 13 of 20

14. Concept of lingual orthodontic appliance was introduced by

Question 14 of 20

15. From mixed dentition to permanent dentition, the combined arch length in both the arches:

Question 15 of 20

16. Ideal orthodontic tooth movement involves

Question 16 of 20

17. Areas of isolated gingival recession are most frequently seen on teeth that are

Question 17 of 20

18. Plane of reference used in transverse direction in WITS analysis:

Question 18 of 20

19. Hyper active mentalis activity is seen in

Question 19 of 20

20. Which is the most stable and the most often used plane for the superimposition of lateral cephalogram for studying the growth of a child?

Question 20 of 20