Why can’t teeth repair itself when bones can even though they all belong to the same skeletal system?
In: Biology
Bones are alive. Every part of them has living cells that can do repairs. Tooth enamel doesn’t have living cells inside it. So the enamel can’t self repair. The inside of the tooth does, however.
Another thing to consider is that when a tooth is damaged, it usually loses material. If I remove a bone from your arm, it would not grow back.
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