Supernumerary teeth in the premolar area:A case report / 实用口腔医学杂志

A case of several ambushed bicuspoid supernumerary teeth in the premolar area was reported.The size,shape and the ratio of crown to root of the supernumerary teeth are similar to those of the premolar.The abnormity of tooth germ division and proliferation may lead the supernumerary teeth.