The enamel has no capacity of self repair because______________?
Correct answer: B. Its formative cells are lost once it is completely formed
- 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
Explanation
Ameloblasts form enamel but are lost after enamel formation is complete, so mature enamel cannot regenerate itself. Its low organic content is not the main reason for the absence of repair.
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