Gemination and twinning in the permanent dentition.
Gemination and twinning are uncommon developmental anomalies of the hard dental tissue. These aberrations are manifested either as anomalous teeth or as supernumerary teeth. Six cases of gemination and twinning are presented in this article. A simplified classification of these anomalies has been suggested.
D000293:Adolescent; D000328:Adult; D001641:Bicuspid / Q000002:abnormalities; D003481:Cuspid / Q000002:abnormalities; D005260:Female; D006801:Humans; D007180:Incisor / Q000002:abnormalities; D008297:Male; D008963:Molar / Q000002:abnormalities; D014071:Tooth Abnormalities / Q000473:pathology*