Adult orthodontics--stubborn cases with stubborn spaces.
D000328:Adult; D003970:Diastema / Q000628:therapy*; D006801:Humans; D007180:Incisor; D008310:Malocclusion / Q000628:therapy; D008437:Maxilla; D009968:Orthodontic Appliances, Removable; D009971:Orthodontics, Corrective; D014087:Tooth Movement Techniques