Rounded protuberances on the incisal edges of newly erupted permanent incisors are____________?

Related Mcqs:

1. 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

2. Peg-shaped incisors which taper towards the incisal edge are typically seen in all of the following conditions EXCEPT______________?

   A. Congenital syphilis
   B. Rickets
   C. Anhidrotic ectodermal dysplasia
   D. Supernumerary teeth

3. Interwining of the enamel rods at the cusp timps and the incisal edges of a tooth is called______________?

   A. Enamel spindles
   B. Gnarled enamel
   C. Incremental lies of woven
   D. Incremental lines of retzius

4. Which of the following gives the best description of erupted permanent teeth typically seen in a 9- years old______________?

   A. Only molars
   B. All teeth except third molars
   C. 1,2,4,5,6,7 in all quadrants
   D. 1,2,6 in all quadrants

5. The widest incisal embrasure is normally found between which of the following permanent maxillary teeth _____________?

   A. Central incisors
   B. Central and lateral incisors
   C. Lateral incisor and canine
   D. First and 2nd premolar

6. Enamel rods at the cervical area at the occlusal edge and incisal lip in permanent teeth are______________?

   A. Straight
   B. Shallow
   C. Bent
   D. Curved

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. 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

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

   A. 3-4 months
   B. 10-12 months
   C. 2-3 years
   D. 3-4 years

10. 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