Cementum that forms in conjunction with root end formation and eruption_____________?

Related Mcqs:

1. The time taken for primary tooth root completion after eruption_____________?

   A. 3 years
   B. 1 years
   C. 2 years
   D. 1 month

2. If overgrowth of cementum does not improve the functional qualities of cementum, it is termed as_____________?

   A. Hyperplasia
   B. Hypoplasia
   C. Hypertrophy
   D. Excementoses

3. The region in which cementum formation is most rapid is_____________?

   A. Middle
   B. Coronal
   C. Apical
   D. Interradicular

4. Cementum formation is seen_______________?

   A. After dentin formation
   B. Before dentin formation
   C. Both are formed at same time
   D. None of the above

5. The hertwig’s epithelial root shealth is essential to development of the root because it_______________?

   A. Gives rise to cementoblasts that produce cementum of the root
   B. Moulds the shape of roots and stimulates differentiation of odontoblasts
   C. Given rise to odontoblasts that lay down dentin of the root
   D. Remians as an essential constituents of the periodontal ligament

6. Acellular cementum is typically found in_____________?

   A. Coronal half of root
   B. Apical half of root
   C. Apex of root
   D. Entire root

7. If cementum is not formed______________?

   A. Ankylosis may occur
   B. Exforliation of teeth occur
   C. Delayed eruption
   D. No change occurs

8. Inorganic content of cementum is______________?

   A. 45 to 50%
   B. 50 to 55%
   C. 55 to 60%
   D. 60 to 65%

9. Hardness of fully mineralized cementum is_____________?

   A. Less than dentin
   B. More than dentin
   C. Equal dentin
   D. None of the above

10. Cellular cementum is____________?

    A. First formed cementum
    B. Less calcified than acellular type
    C. More calcified than acellular type
    D. Less irregular