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国内口腔正畸门诊目前多采用双“U”曲冷弯唇弓设计。近年来,笔者试用了垂直向可调式唇弓活动矫正器,收到了较好的临床效果,现将初步研究结果报告如下。临床资料一、病例选择: 门诊病例中选择年龄12～15岁前牙深复盖的患者18人(女12人,男6人),随机分为三组,每组6人(男2人),其中一组作对照。被选病例要求具备以下牙(牙合)条件。 1、恒牙初期(牙合),第二恒磨牙已建(牙合)并可作为支抗牙。磨牙关系为中性或基本
Domestic oral orthodontic clinic currently use double “U” curved lips cold bow design. In recent years, the author tried vertical adjustable lip bow activity appliances, received a good clinical effect, the preliminary results are reported as follows. Clinical data A case selection: Outpatient cases selected 12 to 15 years old before the teeth of the deep covered patients 18 (12 female and 6 male) were randomly divided into three groups of 6 (male 2) , One of them as a control. Selected cases require the following teeth (occlusion) conditions. 1, the initial permanent teeth (occlusal), the second permanent molars have been built (occlusion) and can be used as supporting teeth. Molar relationship is neutral or basic