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前牙反(牙合)是一种常见的错(牙合)畸形,对其矫治,我国三十多年来广泛应用上颌(牙合)垫矫治器,作用是通过舌簧开展上前牙,而对下颌骨及其下前牙并无直接的矫治力,其对 AngleⅢ_1类(毛Ⅱ~1)的症例,临床一般使用上颌(牙合)垫矫治器并附加颏兜或颌间牵引,其装置比较复杂。功能性矫治器(FKO)在欧洲及日本均有
Occlusal anterior occlusion is a common malocclusion. For its orthodontics, the maxillary (occlusal) pad appliance has been widely used in more than thirty years in our country. Its function is to conduct anterior teeth through the tongue, However, there is no direct orthodontic force on the mandible and its anterior teeth. In the case of Angle III class 1 (hair Ⅱ ~ 1), maxillary (occlusal) pad appliances are generally used in clinic and chin bag or intermaxillary traction is added. The device is more complex. Functional appliances (FKO) in Europe and Japan have