The percentage of inorganic matter in fully developed enamel is about____________?

Related Mcqs:

1. At the CEJ cementum overlaps enamel about____________?

   A. 55 to 60% B. 60 to 65% C. 65 to 70% D. 70 to 75%...

2. Inorganic content of enamel is about______________?

   A. 35% B. 50% C. 4% D. 96%...

3. 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...

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

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

5. 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...

6. The microhardness of dentin is about____________?

   A. 1/2 that of enamel B. 1/7 that of enamel C. 1/4 that of enamel D. 1/5 that of enamel...

7. 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...

8. Inorganic content of cementum is_____________?

   A. Less than bone B. More than bone C. Equal to that of bone D. More than that of enamel...

9. Inorganic content of cementum is______________?

   A. 45 to 50% B. 50 to 55% C. 55 to 60% D. 60 to 65%...

10. When the prosthetic group of an enzyme is an inorganic ion, it is called a_____________?

    A. Cofactor B. Coenzyme C. Apoenzyme D. Holoenzyme...