Which of the following structures is least likely to be damaged during mandibular 3rd molar extraction___________?

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. 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

3. 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

4. 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

5. Structures passing through the sigmoid (mandibular ) notch are_____________?

   A. Auriculotemporal nerve
   B. Mandibular nerve
   C. Masseteric nerve and vessels
   D. Chorda tympani

6. 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

7. A progressive increase in mandibular length and in mandibular interdental spacing in an adult patient is characteristic of_______________?

   A. Periodontosis
   B. Hypothyroidism
   C. Hyperpituitarism
   D. Hypoadrenalism

8. Largest cusp in permanent mandibular first molar is__________________?

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

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

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

10. The highest ( longest ) and sharpest cusp on the decidous mandibular first molar is____________?

    A. Mesiolingual
    B. Distolingual
    C. Mesiobuccal
    D. Distobuccal