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应用改良的片断弓技术矫治拥挤拔牙病例18例报告 被引量:3

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摘要 目的:探讨应用改良的片断弓技术,针对上颌严重拥挤伴尖牙唇侧近中低位病例,实施拔牙矫治的临床疗效。方法:选择18例上颌严重拥挤并伴尖牙近中唇侧过低位(虎牙)的患者,年龄11.5~22岁,平均15.6岁。拔牙后先使用改良片断弓技术,用0.017"×0.025"的不锈钢方丝弯制复合曲,用150g的力牵引尖牙进入牙列,再进一步排齐其余牙齿。临床均采用横腭杆加强支抗。结果:所有病例均达到预期的矫治效果,尖牙向远中和方移动顺利,未发生倾斜和旋转。支抗牙也未见有支抗丧失的表现。矫治结束后上下前牙中线一致,覆覆盖正常,上下牙齿尖窝关系良好。结论:改良的片断弓技术,对矫治上颌重度拥挤并伴尖牙近中唇侧过低位的拔牙病例有较好的矫治效果。
机构地区 解放军
出处 《临床口腔医学杂志》 2008年第2期97-98,共2页 Journal of Clinical Stomatology
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参考文献6

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共引文献11

同被引文献21

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