Definition: An extra tooth, erupted or unerupted, resembling or unlike the other teeth in the group to which it belongs. Its presence may cause malposition of adjacent teeth or prevent their eruption.
do not use /congen & do not coord with INFANT, NEWBORN, DISEASES; may refer to erupted or unerupted tooth: if erupted do not use TOOTH ERUPTION; if unerupted coord IM with TOOTH, UNERUPTED (NIM)