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

Related Mcqs:

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

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

2. Difference between epithelium of oral cavity and cavity lining of cyst is ___________-?

   A. Stratum corneum
   B. Stratum lucidum
   C. Stratum germinativum
   D. Stratum spinosum

3. Oral lesions on the tongue and other mucosal surfaces of the oral cavity is caused by the deficiency of_______________?

   A. Vit – B1
   B. Niacin
   C. Vit – C
   D. Vit – K

4. In the majority of situations, the first decidous tooth to erupt is the______________?

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

5. Once the enamel formation is complete, the tooth will erupt after approximately______________?

   A. One year
   B. Two years
   C. Three years
   D. Four years

6. In the majority of situations, that first decidous tooth to erupt is the____________?

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

7. In how many years, the central incisors erupt as permanent teeth ______________?

   A. 8-9 years
   B. 10-12 years
   C. 6-7 years
   D. 17-25 years

8. 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

9. Which of the areas of the tooth is most sensitive during cavity preparation ?

   A. Enamel (anterior teeth)
   B. Enamel (Posterior teeth)
   C. Dentin
   D. Dentinoenamel junction

10. Cavity formation in a tooth, due to dental caries is due to______________?

    A. Destructive potential of streptococcus mutans
    B. Destructive potential of lactobacillus acidophilus
    C. Lateral spread of caries along DE junction and weakening of the outer covering enamel
    D. Mastectomy force and unrelated to the extent of carious process