title: A study on the positional relationships of maxillary and mandibular central incisors before and after orthodontic treatment.
mesh_terms: D000293:Adolescent; D000328:Adult; D002508:Cephalometry; D003766:Dental Occlusion; D005260:Female; D006801:Humans; D007180:Incisor / Q000033:anatomy & histology*; D008297:Male; D008310:Malocclusion / Q000628:therapy*; D008312:Malocclusion, Angle Class II / Q000473:pathology / Q000628:therapy*; D008437:Maxilla / Q000473:pathology