Functional orthopedics: the "four pieces" and Class II treatment.
The authors describe a new functional appliance called the Chateau four pieces, which is designed for the orthopedic treatment of Class II problems during growth. The versatility of the use of the four pieces simultaneously or separately, enables the practitioner to control treatment in three dimensions. The indications and the prescription are discussed, and the results are shown.
D000202:Activator Appliances; D000293:Adolescent; D002648:Child; D004867:Equipment Design; D005115:Extraoral Traction Appliances; D006801:Humans; D008310:Malocclusion / Q000628:therapy*; D008312:Malocclusion, Angle Class II / Q000628:therapy*; D009968:Orthodontic Appliances, Removable; D013314:Stress, Mechanical; D014087:Tooth Movement Techniques / Q000295:instrumentation*