One-phase versus two-phase treatment.
D000367:Age Factors; D002648:Child; D003362:Cost-Benefit Analysis; D003818:Dentition, Mixed; D017050:Episode of Care; D006801:Humans; D008310:Malocclusion / Q000628:therapy; D009971:Orthodontics, Corrective / Q000191:economics / Q000379:methods*; D013997:Time Factors