On which of the following permanent teeth is it most difficult to distinguish between mesial and distal aspects ?

Related Mcqs:

1. What is the functional form of anterior teeth from the mesial or the distal aspect ?

   A. Rhomboidal
   B. Trapezoidal
   C. Elliptical
   D. Wedge- shaped

2. Which anterior teeth have both mesial and distal contact areas of at the incisal third____________?

   A. Mandibular centrals
   B. Mandibular laterals
   C. Both A and B
   D. None of the above

3. Primary teeth differ from permanent teeth in following aspects ?

   A. Thickness of enamel and dentin
   B. Pulp chambers are longer
   C. Roots are flaring
   D. All of the above

4. Which of the following premolars has a mesial marginal ridge more cervical than the distal marginal ridge________________?

   A. Maxillary 1st premolar
   B. Maxillary 2ndpremolar
   C. Mandibular 1st premolar
   D. Mandibular 2nd premolar

5. If the pulp of a single rooted tooth canal were triangular in cross section with the base of the triangle located facially and the apex lingually with a longer mesial side than distal side; the tooth most likely is_____________?

   A. Maxillary central incisor
   B. Maxillary second premolar
   C. Mandibular lateral incisor
   D. Mandibular central incisor

6. Mesial slope of buccal cusp is longer than distal slope in_________________?

   A. Maxillary 2nd premolar
   B. Maxillary 1st premolar
   C. Mandibular canine
   D. Maxillary canine

7. 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

8. The primary teeth that present the most outstanding morpholgic deviations from permanent teeth are______________?

   A. Central incisors
   B. Mandibular first molar
   C. Mandibular second molar
   D. Canines

9. The mesial contact are of the permanent canine is at the_______________?

   A. Middle third
   B. Junction of incisal and medial thirds
   C. Junction of the middle & cervical thirds
   D. None of the above

10. Mesial contact area of the permanent canine is at the______________?

    A. Middle third
    B. Junction of the incisal and middle thirds
    C. Junction of the middle and cedrvical thirds
    D. None of the above