We have studied that tooth development starts in sixth week of intrauterine life,and they remain buried under gum,and appears on sixth month after birth.Now we have got a proof from palentologist about that.They got a newborn skull fossil from kollam,a place in Kerala.
They conducted a CT scan with that skull.To their surprise they found teeth in that fossil mandiable.Now we can firmly believe what we have studied.The presence of precautious dentition in newborn adds to this evidence too.
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