The effect of impaction on root formation of the lower premolar teeth.
D001641:Bicuspid / Q000502:physiology*; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D009805:Odontogenesis; D014092:Tooth Root / Q000002:abnormalities / Q000502:physiology*; D014095:Tooth, Impacted / Q000503:physiopathology*