My son has a small growth in his mouth what could it be?

Question

While my son was getting his teeth cleaned the hygienist noticed a small nodule behind, almost growing between his bottom front teeth. They said I could take him to a periodontist and have it removed, or watch it to see if it grows. What could it be and should I get it removed?

Answer 1

i had one of those once.  i accidently bit it off.  bloody mess.  i think it was a wart.  a mouth wart.

Answer 2

it could be his tongue?