Gubernacular canal and gubernacular cord are seen in relation to____________?

Related Mcqs:

1. Gubernacular canal guides the eruption of_____________?

   A. Primary teeth
   B. Permanent teeth
   C. Both A and B
   D. None of the above

2. The tooth that is commonly seen in an abnormal relation and contact with its adjacent teeth of the same arch is ________________?

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

3. IN an adult, the spinal cord end at the level of_______________?

   A. Lower border of LI
   B. L2
   C. L3
   D. L4

4. In adults, the spinal cord normal ends at______________?

   A. Lower border of LI
   B. Lower border of L3
   C. Lower border of S1
   D. Lower border of L5

5. Imbilical cord contains_________________?

   A. Three arteries and one vein
   B. One artery and three veins
   C. One artery and one vein
   D. Two arteries and one vein

6. Movement of tooth to close the intermaxillary gap during eruption is due to____________?

   A. Physiological tooth migration
   B. Active eruption
   C. Passive eruption
   D. None of the above

7. The cementuoenamel junction is approximately at the level at which the root canal becomes_____________?

   A. Twisted
   B. Curved
   C. Pulp chamber
   D. Lateral canal

8. Fourth canal is present in_____________?

   A. Mesiobuccal roots of maxillary first molar
   B. Distal root of mandibular first molar
   C. Both of the above
   D. None of the above

9. 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

10. A girl suffering from browing of teeth, wearing of enamel but not cavitory, OPG shows obliteration of pulp with narrowing of canal & deposition of secondary dentin, she gave the history that out of her 4 brothers 2 are suffering from the same disease, She is suffering from_______________?

    A. melogenesis imperfecta
    B. Dentinogenesis imperfecta
    C. Flurosis
    D. Odontodysplasia