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目的:观察直丝弓技术矫治安氏Ⅱ类Ⅰ分类错的临床效果。方法:选择30例安氏Ⅱ类Ⅰ分类错患者,前牙开,伴下颌后缩,拔除尖牙后采用MBT直丝弓矫治器进行矫治。结果:矫治后上下牙排列整齐,磨牙中性关系,前牙覆覆盖关系正常,上下牙中线一致。结论:MBT直丝弓矫治技术临床操作简单,牙齿定位准确,可简化矫治程序和缩短治疗时间。
Objective: To observe the clinical effect of straight wire archwire in the treatment of Class Ⅱ division Ⅰ malocclusion. Methods: Thirty patients with Class Ⅱ division Ⅰ malocclusion were selected. The anterior teeth were opened and the mandibular retrusion was performed. The canines were corrected by MBT straight wire appliance after removing the canines. Results: After orthodontic treatment, the upper and lower teeth were arranged neatly, the molars had a neutral relationship, the anterior cover covered the normal relationship, the upper and lower teeth were consistent. Conclusion: The technique of MBT straight wire arch is simple in clinical practice and accurate in positioning the teeth, which can simplify the procedure and shorten the treatment time.