human teeth do not do that
he is not a shark
human baby teeth are replaced with adult teeth, but this is still a medical (dentist) situation, that something you can ignore or ask strangers on internet and it will go away with a "right" answer
this is something a mother has to take her child in for medical care
you DID take him to a dentist...right?
at 7:57 AM on Dec. 12, 2013