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Masticatory muscle pain before, during, and after treatment with orthopedic protraction headgear：A pilot study
Class III malocclusion Functional orthopedics Muscle pain Electromyography
2009/1/8
Protraction headgear has been used in conjunction with a palatal expansion appliance to correct Class III malocclusion with maxillary deficiency and/or mandibular prognathism. In general, 800 gm o...