Lower molar crowding in the early permanent dentition.
D002508:Cephalometry; D005260:Female; D006801:Humans; D007180:Incisor / Q000033:anatomy & histology; D008297:Male; D008310:Malocclusion / Q000175:diagnosis* / Q000473:pathology; D008334:Mandible / Q000033:anatomy & histology*; D003765:Models, Dental; D008963:Molar / Q000033:anatomy & histology*; D009811:Odontometry