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作 者:熊红珍[1] 万贤凤[1] 包丽娜[1] 刘从华[1] 魏叶红[1]
机构地区:[1]广东省口腔医院,南方医科大学附属口腔医院,广东广州510280
出 处:《昆明医科大学学报》2012年第8期50-54,共5页Journal of Kunming Medical University
基 金:广东省科技计划项目(2011B080701055)
摘 要:目的探讨微种植钉支抗在矫正双侧后牙正锁的临床应用价值.方法采用微种植钉作为支抗牵引压低颊向倾斜的上颌后牙,或(和)牵引压低舌侧倾斜的下颌后牙,矫正双侧后牙正锁,并对矫正前后X线投影测量结果进行比较分析.结果微种植钉支抗对锁牙有一定的压低作用,U7-PP,L7-MP均减小,且差异有统计学意义(P<0.05);微种植钉支抗有效控制了下颌平面角FH-MP的增大,矫治前后FH-MP无明显改变(P>0.05);SNA、SNB、ANB均无明显变化(P>0.05).结论微种植钉支抗矫正双侧后牙正锁,可有效压低患牙,控制患者的垂直高度,方法简单、高效.Objective To discuss the clinical application of micro-implant anchorage in the treatment of two-side molar scissors-bite.Method Micro-implant anchorage was used to intrude the upper overextruding posterior teeth,and(o)r micro-implant anchorage was used to draw buccally the low posterior teeth tilting lingually.Results The overextruding upper posterior teeth were intruded,the low posterior teeth tilting lingually were upreared buccally.U7-PP,L7-MP became smaller than before,and the the different is significant in statistics(P0.05).Conclusion MIA could be used as an efficient method to correct scissors-bite on two-side molar scissors-bite with intruding overgrowth upper posterior teeth,or uprearing buccally the tilting low posterior teeth.
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