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

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. Tooth buds of permanent mandibular incisors are situated_____________?

   A. Lingual to primary teeth
   B. Inferior to primary teeth
   C. Labial to primary teeth
   D. A and B

4. The eruption are of maxillary permanent lateral incisor is_____________?

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

5. 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

6. 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

7. 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

8. Permanent Mandibular central incisor develops from_____________?

   A. 1 lobe
   B. 3 lobes
   C. 4 lobes
   D. 5 lobes

9. The Sensitive period for tetracycline induced discolouration in the permanent maxillary mandibular incisors and canines is________________?

   A. 3 months postpartum to 7th year of life
   B. 4 months in utero to 3 months postpartum
   C. 5 months in utero to 9 months postpartum
   D. Birth to 7th year

10. 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