Reestablishing the former outline of the root surface is_____________?

Related Mcqs:

1. The geometric outline of the buccal surface of posterior teeth are_______________?

   A. Trapezoidal
   B. Rhomboidal
   C. Quadrilateral
   D. Square

2. 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

3. The most common curvature of the palatal root of maxillary first molar is_____________?

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

4. The shortest root on a maxillary first molar is_____________?

   A. Mesio- buccal
   B. Disto – buccal
   C. Lingual
   D. All are of equal length

5. The mesial surface of the crown is almost parallel to long axis and the root of a______________?

   A. Maxillary 1st premolar
   B. Mandibular 2nd premolar
   C. Maxillary canine
   D. Mandibular canine

6. Which bifurcation is closet to the cervical line (or) which surface has short root trunk length in a maxillary permanent first molar ?

   A. Buccal
   B. Mesial
   C. Distal
   D. None of the above

7. Dentinogensis imperfecta differs from amelogenesis imperfecta in that, the former is_____________?

   A. A hereditary disturbance
   B. The result of excessive fluoride ingestion
   C. The result of faulty enamel matrix formation
   D. Characterized by calcification of pulp chambers and the root canals of the teeth

8. Biomechanism that unites the epithelium to the tooth surface is_____________?

   A. Internal basal lamina
   B. Junctional epithelium
   C. Reduced enamel epithelium
   D. Epithelial attachment

9. Periodontal fibres joining cemental surface of one tooth, to cemental surface of adjacent tooth are called____________?

   A. Gingivodental
   B. Cemental fibres
   C. Horizontal fibres
   D. Transseptal fibres

10. Small palpable mass elevated above the epithelial surface is_____________?

    A. Papule
    B. Macule
    C. Plaque
    D. Vesicle