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错畸形经过主动矫治阶段后进入保持阶段,为保持矫治效果,防止复发,目前常选择的保持器仍为固定保持器和活动保持器两大类[1]。我们1999年10月—2008年10月矫治结束的患者中,有35例选择了3Muninck公司生产的直接粘结式麻花保持弓丝。现将治疗效果报告如下。1资料与方法1.1一般
Malocclusion malformations after the active phase of correction into the maintenance phase, in order to maintain the effect of treatment to prevent recurrence, the currently selected retainer is still a fixed retainer and activity retainer two categories [1]. From October 1999 to October 2008, 35 of the patients who completed the orthodontic treatment chose 3Muninck’s direct-bonded twist-holding archwire. The treatment effect is reported below. 1 Materials and Methods 1.1 General