New concept of serial extraction.
D003766:Dental Occlusion; D006801:Humans; D008310:Malocclusion / Q000517:prevention & control*; D009973:Orthodontics, Preventive; D012690:Serial Extraction / Q000379:methods*; D014070:Tooth / Q000502:physiology; D014078:Tooth Eruption; D014094:Tooth, Deciduous / Q000502:physiology