During the formation of primary teeth_______________?

Related Mcqs:

1. Bony union taking place with formation of medullary callus without periosteal callus formation is______________?

   A. Primary union
   B. Secondary union
   C. Both of the above
   D. None of the above

2. The primary centre of formation of each lobe is present in_____________?

   A. Apex of the root
   B. Tip of the cusp
   C. Centre of the crown
   D. Centre of the tooth

3. As compared to permanent tooth , root formation in primary tooth______________?

   A. Take less time
   B. Take more time
   C. Same time
   D. Is complete when tooth erupts in oral cavity

4. Roots of primary and secondary teeth are different in that the primary roots are more divergent and flaring. The other difference _____________?

   A. Primary roots show less a accessory and lateral canals
   B. Primary roots resorb more easily
   C. Primary roots are shorter
   D. None of the above

5. Which of the following tooth structure during formation is most effected due to Vit – A deficiency_____________?

   A. Enamel
   B. Dentin
   C. Cementum
   D. Periodontal Ligament

6. Primary herpetic lesions involving the gingiva are most likely to occur during ages____________?

   A. 1-5 years
   B. 6-12 years
   C. 13-16 years
   D. They are likely to occur equally at any age

7. The formation of which of the following does not represent normal physiologiacl process of dentin formation_______________?

   A. Primary and secondary dentin
   B. Secondary dentin and circumpulpal dentin
   C. Tetiary dentin and sclerotic dentin
   D. All of the above

8. First appearance of tooth formation occurs in____________?

   A. 6th week IU
   B. 2nd week IU
   C. 9th week IU
   D. 4th week IU

9. Temporary structures in enamel organ are (before enamel formation) ?

   A. Enamel knot
   B. Enamel cord
   C. Both A and B
   D. Enamel Cuticle

10. The process of recesses formation in maxillary sinus is most frequently seen with________________?

    A. Zygomatic process
    B. Frontal process
    C. Alveolar process
    D. Palatine process