The enamel has no capacity of self repair because________?
AIt is essentially a keratin tissue and has no blood vessels
BIts formative cells are lost once it is completely formed
CIt has only a small percent of organic content
DIt has no direct connection with the active cells of the dental pulp
Correct answer
B. Its formative cells are lost once it is completely formed
Explanation
The correct answer is Its formative cells are lost once it is completely formed.