Functional Observation of Skeletal Class III Patients Passed Long-Term after Retention
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概要
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The goal of this study was to develop objective functional method of evaluating treatment systems for patients with jawdeformations, a treatment which is expected to increase in the future. We attempted to discern the characteristics of the recovery process ofpostoperative jaw motility and muscle function by studying preoperative and postoperative skeletal class III patients and comparing themwith normal controls, placing emphasis on factors outside the treatment period of the jaw deformation patients.<BR>Using skeletal class III patients as controls, we measured jaw movements and muscle function over a period extending beyond that of thesurgical orthodontic treatment, which includes the periods prior to initiation of the preoperative orthodontic treatment and aftercompletion of the retention.The following results were obtained;<BR>1) Orthognathic surgery not only corrected the form of the malocclusion, but is also improved the function of the masticatory system.<BR>2) A new masticatory form was essentially established by the maxillomandibular relationship created by the orthognasthic surgery.<BR>3) Masticatory function in the patients was an improvement over that before the operation, and was either as good as the function in personswith normal occlusion or better.<BR>4) Maintenance of the occlusion during the postoperative recall seemed an important factor in the process of recovery of masticatoryfunction.
- 特定非営利活動法人 日本顎変形症学会の論文
特定非営利活動法人 日本顎変形症学会 | 論文
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