联合支抗技术(CAT)是对Begg细丝弓技术和直丝弓技术的综合运用。由于其在托槽、颊面管设计上完整保留了两大技术的原有特点,从而使二者优点均得以充分发挥。在欧美、日本等多个国家,CAT已被广泛用于各种错(牙合)类型的矫治。1996年,笔者应用CAT对一例前牙段中度拥挤伴双颌轻度前突患者采用非减数治疗,在10个月的时间里即完成了固定矫治器的治 Combined Support Technology (CAT) is a comprehensive application of Begg filament arch technology and straight arch wire technology. Because of its brackets, buccal tube design intact the original features of the two major technologies, so that both advantages can be fully exploited. In Europe, the United States, Japan and other countries, CAT has been widely used in various types of malocclusion correction. In 1996, the author applied CAT to a case of moderately crowded anterior segment with mild diphramic patients with non-reducing treatment, in 10 months to complete the fixed appliance treatment