If a permanent first molar is lost, the permanent second molar drifts to the______________?

Related Mcqs:

1. While charting the dentition of a child, the pedodontist finds that the following teeth are present in all the four quadrants; permanent central incisor , permanent lateral incisor , decidous cuspid , decidous first molar, decidous 2nd molar and permanent 1st molar. The eruptive pattern may be considered most nearly normal for a child aged_____________?

   A. 3-6 years
   B. 7-10 years
   C. 11-14 years
   D. 15- 18 years

2. The permanent mandibular second molar differs from the permanent mandibular first molar in number of ______________?

   A. Cusps
   B. Roots
   C. Lingual grooves
   D. Marginal ridges

3. In normal occlusion , with which grooves / surface of the permanent mandibular first molar does the mesiobuccal cusp of the permanent maxillary first molar occlude______________?

   A. Distobuccal groove
   B. Mesial surface
   C. Mesiobuccal surface
   D. Transverse groove

4. Which line angle area is most acute when a permanent maxillary second molar is viewed occlusally ?

   A. Mesiofacial
   B. Distofacial
   C. Mesiolingual
   D. Distolingual

5. With respect to their permanent successors the sum of the mesidodistal diameters of the first and second decidous molar is generally ____________?

   A. Less
   B. Greater
   C. The same
   D. Not related

6. Largest cusp in permanent mandibular first molar is__________________?

   A. Mesiobuccal
   B. Distobuccal
   C. Mesio lingual
   D. Distal

7. Cusp of carbelli is present on ________ surface of the permanent maxillary molar ?

   A. Mesial surface
   B. Palatal surface
   C. Buccal surface
   D. Mesial half of the palatal surface

8. Acute angled cusps in permanent maxillary first molar are_____________?

   A. DB and ML
   B. MB and DL
   C. MB and DB
   D. ML and DL

9. Permanent mandibular first molar is developed from ______ lobes?

   A. 3
   B. 4
   C. 5
   D. 6

10. The root trunk of permanent mandibular first molar buccally is______________?

    A. Equal is length to the mesial bifurcation of the maxillary first molar
    B. Equal is length to the buccal bifurcation of the maxillary first molar
    C. equal in length to the crown
    D. None of the above