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不同支抗在滑动机制直丝技术矫治上颌前突中的应用效果比较 被引量:2

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摘要 目的比较在滑动机制直丝技术(MBT)治疗上颌前突中采用Nance弓+横腭杆联合支抗或种植体支抗的矫治效果。方法选取2010年1月至2020年12月在该院就诊的61例上颌前突或上下颌前突患者,采用完全随机方法分为2组,A组30例,B组31例。正畸中A组使用Nance弓+横腭杆,B组使用微型种植体作为支抗。比较正畸前、后头颅侧位X线片的测量数值评估2种支抗的矫治效果。2组矫治前后的各项测量数值采用SPSS23.0统计软件进行分析,行组内配对t检验。结果治疗完成时,2组患者侧面观均明显好转,A组U1-NA距和L1-NB距分别减小(3.87±2.59)mm和(5.27±2.01)mm,B组U1-NA距和L1-NB距分别减小(3.56±0.87)mm和(4.44±1.35)mm,2组的上颌切牙唇倾角度(U1-NA)分别减小(7.33±6.24)°和(6.30±3.78)°,差异均有统计学意义(P<0.01)。结论应用Nance弓+横腭杆联合支抗与种植体支抗对MBT技术矫治上颌前突均能达到良好的治疗效果。
作者 曾冬 杜小丽
出处 《现代医药卫生》 2021年第10期1719-1722,共4页 Journal of Modern Medicine & Health
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