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目的研究玻璃离子垫高后牙在固定矫治打开咬内收前牙中的临床应用效果。方法选择我院2010年3月—2013年3月间50例进行固定矫治的拔牙患者,在内收上前牙需要辅助方式打开咬时将其随机分为2组。对照组25例患者运用上颌后牙颌垫活动矫治器,观察组25例患者运用玻璃离子垫高上颌磨牙面。观察比较2组患者需要使用辅助方式的时间长短以及前牙打开咬的距离。结果①对照组患者需要打开咬的时间为(2.81±0.867)个月,观察组为(2.17±0.851)个月,差异有统计学意义(P<0.01)。②对照组患者前牙打开咬的距离为(3.00±0.53)mm,观察组为(3.21±0.64)mm,差异无统计学意义(P>0.05)。结论通过玻璃离子垫高后牙在固定矫治打开咬内收前牙中的应用发现,这一打开方式简便易行,能够尽快将前牙内收并建立正常前牙覆覆盖。
Objective To study the clinical application of glass ion padding in the treatment of open anterior teeth bite fixation. Methods 50 cases of orthodontic patients who underwent fixed orthodontic treatment from March 2010 to March 2013 in our hospital were randomly divided into two groups. Twenty-five patients in the control group were treated with maxillary posterior teeth and jaw mats, and 25 patients in the observation group were treated with glass iontophoresis. Observe and compare 2 groups of patients need to use the auxiliary mode of the length of time and open the bite of the anterior teeth distance. Results (1) The control group needed to open the bite for (2.81 ± 0.867) months, the observation group was (2.17 ± 0.851) months, the difference was statistically significant (P <0.01). ② The distance between the control group and the observation group was (3.21 ± 0.64) mm (3.00 ± 0.53) mm, the difference was not statistically significant (P> 0.05). Conclusion The application of glass ion padding in the treatment of open anterior teeth bite in the orthodontic treatment found that this opening method is simple and easy to be able to close the anterior teeth as soon as possible and the establishment of normal anterior lamina coverage.