Permanent Mandibular central incisor develops from_____________?

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. Which of the following features of a permanent maxillary lateral incisor aids in distinguishing it from a mandibular lateral incisor ?

   A. Flattened root
   B. More pronounced lingual fossa
   C. Thinner incisal ridge
   D. Sharper proximal incisal angles

3. 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

4. The maxillary lateral incisor is smaller than the maxillary central incisor on all aspects EXCEPT which one of the following______________?

   A. Crown length
   B. Mesiodistal crown width
   C. Faciolingual crown width
   D. Root length

5. Before eruption the position of permanent mandibular incisor buds relative to primary incisors is_____________?

   A. Superior and facial
   B. Inferior and facial
   C. Superior and lingual
   D. Inferior and lingual

6. The number of line angles a permanent maxillary central incisor is_____________?

   A. Two
   B. Four
   C. Six
   D. Eight

7. 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

8. The incisal edges and the incisal thirds of facial surfaces of mandibular incisors and canines generally oppose lingual surfaces of maxillary incisor and canines _____________?

   A. Within the incisor thirds
   B. At the junction of middle and cervical thirds
   C. At the linguo cervical ridges
   D. Immediately incisal to cingulam

9. The eruption age of maxillary permanent lateral incisor is________________?

   A. 8-9 years
   B. 6-7 years
   C. 10-11 years
   D. 8-9 months

10. 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