The last primary tooth to be replaced by a permanent tooth is usually the_____________?

Related Mcqs:

1. The first permanent tooth to erupt in the oral cavity is the_____________?

   A. Mandibular central incisor
   B. Mandibular first molar
   C. Maxillary central incisor
   D. Maxillary first molar

2. Calcification of permanent first molar usually begins in the_____________?

   A. Third month of intrauterine life
   B. In the sixth month of intrauterine life
   C. At birth
   D. In the third month of extra uterine life

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. While charting the dentition of a child, the pedodontist finds that the following teeth are present in all the four quadrants; permanent central incisor , permanent lateral incisor , decidous cuspid , decidous first molar, decidous 2nd molar and permanent 1st molar. The eruptive pattern may be considered most nearly normal for a child aged_____________?

   A. 3-6 years
   B. 7-10 years
   C. 11-14 years
   D. 15- 18 years

5. The largest permanent tooth in the mouth usually is_____________?

   A. Maxillary canine
   B. Mandibular canine
   C. Mandibular first molar
   D. Maxillary first molar

6. The apical foramen of a fully developed permanent tooth is usually lined by_____________?

   A. Dentin
   B. Cementum
   C. Epithelial rest cells
   D. The Epithelial diaphragm

7. A new tooth is erupting in the mouth of a one and a half year old child. This tooth is most likely to be a decidous___________?

   A. Maxillary central incisor
   B. Mandibular lateral incisor
   C. Maxillary lateral incisor
   D. Maxillary canine

8. In considering the process of eruption, the pre-functional eruptive stage of a tooth begins when the_____________?

   A. Bud stage begins
   B. Cap stage begins
   C. Bell stage begins
   D. Dental lamina begins forming

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. The primary lateral incisors begin to calcify about the_____________?

    A. 4th month of life
    B. 4th month in utero
    C. 41/2 month in utero
    D. 5th month in utero