Permanent mandibular first molar is developed from ______ lobes?

Related Mcqs:

1. 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

2. 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

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

   A. Buccal side
   B. Distal side
   C. Mesial side
   D. Lingual side

5. When viewed occlusally, a primary mandibular second molar closely resembles which of the following mandibular teeth ?

   A. Permanent second molar
   B. Permanent first molar
   C. Second premolar
   D. Primary first molar

6. Largest cusp in permanent mandibular first molar is__________________?

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

7. The number of point angles in a permanent mandibular first molar is_____________?

   A. 6
   B. 8
   C. 4
   D. 10

8. 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

9. Difference between mandibular and maxillary premolars is that in the mandibular premolars ?

   A. The buccal and lingual cusps are more prominent
   B. The lingual cusp is sharper and longer
   C. The lingual surface rounded and less developed
   D. The buccal surface is rounded and less developed

10. Using occlusal morphology as guide , the Mandibular third molar is most similar to______________?

    A. Maxillary permanent first molar
    B. Mandibular permanent first molar
    C. Mandibular permanent second molar
    D. Mandibular decidous second molar