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CBCT对青少年上颌腭侧阻生尖牙导萌疗程影响因素的研究 被引量:1

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摘要 目的利用口腔颌面锥形CT(cone beam computred tomography, CBCT)分析影响上颌埋伏尖牙导萌的因素,对导萌疗程进行预测,为临床导萌提供依据。方法以21例年龄在10-18岁之间,上颌腭侧埋伏尖牙已成功导萌的患者为研究对象,利用CBCT三维成像,从三维方向分析阻生牙导萌疗程与以下因素的关系:矢状面:上颌阻生尖牙牙尖至合平面的距离(d1)、阻生尖牙与面中线角度(α);轴向:阻生尖牙牙尖到中线的距离(d2);以及患者的年龄(y)。结果患者的年龄越小,牙尖距离合平面的距离越远,与面中线的角度越大,距离面中线的距离越近,导萌疗程越长。结论上颌埋伏阻生尖牙的位置以及年龄可为临床预测导萌疗程提供重要参考依据。
出处 《航空航天医学杂志》 2021年第11期1298-1300,共3页 Journal of Aerospace medicine
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