Enamel tufts are_______________?

Related Mcqs:

1. 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...

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

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

3. 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...

4. 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...

5. Thin leaf like structures that extend from enamel surface in to DEJ are____________?

   A. Enamel spindles B. Enamel lamella C. Enamel tufts D. Perikymata...

6. Enamel spindles are formed by______________?

   A. Cracks B. Ameloblasts C. Odontoblasts D. Hypocalcified rods...

7. The enamel has no capacity of self repair because______________?

   A. It has only a small percent of organic content B. Its formative cells are lost once it is completely formed C. It is essentially a keratin tissue and has no blood vessels D. It has no direct connection with the active cells of the dental pulp...

8. calcification in enamel starts at____________?

   A. Enamel matrix B. Root C. CEJ D. DEJ...

9. 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...

10. Enamel can act in a sense like a_______________?

    A. Permeable membrane B. Impermeable membrane C. Semipermeable membrane D. Infrapermeable membrane...