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

Related Mcqs:

1. Temporary structures in enamel organ are (before enamel formation) ?

   A. Enamel knot
   B. Enamel cord
   C. Both A and B
   D. Enamel Cuticle

2. 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

3. 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

4. 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

5. Ratio of diameter of enamel rods in the DEJ to the enamel surface is______________?

   A. 1:4
   B. 1:1
   C. 1:2
   D. 2:1

6. Smooth surface caries is characterized by spread of caries in enamel and dentin as cones. These alignment in enamel and dentin is____________?

   A. Base to base
   B. Apex to base
   C. Apex to apex
   D. None of the above

7. 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

8. 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

9. Interwining of the enamel rods at the cusp timps and the incisal edges of a tooth is called______________?

   A. Enamel spindles
   B. Gnarled enamel
   C. Incremental lies of woven
   D. Incremental lines of retzius

10. Coefficienty of thermal expansion of tooth enamel is closest to_______________?

    A. Slicate cement
    B. Composite
    C. GIC
    D. Polycarboxylate