Which of the following show chemical bond with enamel (Calcified tissues)______________?

Related Mcqs:

1. The striking difference between enamel and other mineralized tissues is______________?

   A. Presence of high percentage of organic matrix
   B. Presence of incremental lines
   C. Enamel has high reparative capacity
   D. Most of organic component is lost during mineralization

2. 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

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

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

4. 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

5. Among the following the structure that is most calcified is_______________?

   A. Enamel lamella
   B. Enamel rod
   C. Enamel spindle
   D. Enamel tuft

6. Calcified tissue is absent in______________?

   A. Enamel
   B. Dentin
   C. Cementum
   D. Pulp

7. Dentinal tubules are calcified in_______________?

   A. Sclerotic dentin
   B. Primary dentin
   C. Secondary dentin
   D. Interglobular dentin

8. The organic lining of the calcified dentinal tubules is known as_______________?

   A. Lamina propria
   B. Lamina lucida
   C. Lamina limitans
   D. Lamina densa

9. The calcified mass found in the PDL are_____________?

   A. Cementicles
   B. Osteoblasts
   C. Cementoclasts
   D. Osteoclasts

10. The chemical used to etch enamel is_______________?

    A. Zinc oxide
    B. Methyl methacrylate
    C. Phosphoric acid
    D. Eugenol