First evidence of calcification of maxillary permanent central incisors occurs at_____________?

Related Mcqs:

1. 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

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 how many years, the central incisors erupt as permanent teeth ______________?

   A. 8-9 years
   B. 10-12 years
   C. 6-7 years
   D. 17-25 years

4. Resorption of root of primary incisors starts at_____________?

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

5. Hypoplastic defects in permanent central and lateral incisors are likely to result due to severe illness or other factors during_______________?

   A. First nine month of life
   B. First two years of life
   C. First month of life
   D. Two or three years of life

6. In comparison to maxillary central incisor , Maxillary canine has a height of contour that is______________?

   A. More
   B. Less
   C. Same
   D. Different on different teeth

7. 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

8. 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

9. The root of maxillary lateral incisors if curved is usually in which direction ?

   A. Distal
   B. Mesial
   C. Facial
   D. Palatal

10. 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