title: Incisor alignment and the relief of crowding: the timing of treatment.
mesh_terms: D003818:Dentition, Mixed; D006801:Humans; D007180:Incisor / Q000473:pathology*; D008310:Malocclusion / Q000473:pathology / Q000628:therapy*; D008311:Malocclusion, Angle Class I / Q000628:therapy; D008312:Malocclusion, Angle Class II / Q000628:therapy; D008313:Malocclusion, Angle Class III / Q000628:therapy; D013997:Time Factors