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

Related Mcqs:

1. The anatomic crown is shorter than the clinical crown of a tooth in which of the following instances___________________?

   A. Impaction
   B. Gingivitis
   C. Occlusal wear
   D. Gingival recession

2. A child has marked difference of crown, root size, eruption pattern of left & right side of jaw. The condition is______________?

   A. Crouzan syndrome
   B. Hemifacial hypertrophy
   C. Cherubism
   D. Achondroplasia

3. Which of the following premolars has a mesial marginal ridge more cervical than the distal marginal ridge________________?

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

4. A pronounced developmental groove is usually present on the mesial marginal ridge of a permanent________________?

   A. Mandibular third molar
   B. Mandibular second premolar
   C. Maxillary second molar
   D. Maxillary first premolar

5. On which of the following permanent teeth is it most difficult to distinguish between mesial and distal aspects ?

   A. Maxillary central incisor
   B. Mandibular central incisor
   C. Mandibular lateral incisor
   D. Mandibular second premolar

6. Mesial concavity making the prognosis poor for a furcation involvement is present in_____________?

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

7. What is the functional form of anterior teeth from the mesial or the distal aspect ?

   A. Rhomboidal
   B. Trapezoidal
   C. Elliptical
   D. Wedge- shaped

8. If the pulp of a single rooted tooth canal were triangular in cross section with the base of the triangle located facially and the apex lingually with a longer mesial side than distal side; the tooth most likely is_____________?

   A. Maxillary central incisor
   B. Maxillary second premolar
   C. Mandibular lateral incisor
   D. Mandibular central incisor

9. Mesial slope of buccal cusp is longer than distal slope in_________________?

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

10. 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