The early eruption of a superanumerry tooth (mesiodens).
D002675:Child, Preschool; D006801:Humans; D007180:Incisor / Q000002:abnormalities*; D008297:Male; D008437:Maxilla; D014078:Tooth Eruption; D014096:Tooth, Supernumerary / Q000503:physiopathology*