J Endod:使用3维打印导板和供体牙齿印模技术的自体第三磨牙移植疗效观察

2018-09-06 MedSci MedSci原创

与其他治疗方法(ie, 种植或固定义齿修复)相比,自体移植具有多种好处,比如:可承担更强的咬合负荷、维持牙周膜和周围骨的完整以及更好的美学潜力。这篇研究的目的是为了评估通过3维打印导板和牙齿印模技术实施牙根发育完成自体牙移植的临床疗效。

与其他治疗方法(ie, 种植或固定义齿修复)相比,自体移植具有多种好处,比如:可承担更强的咬合负荷、维持牙周膜和周围骨的完整以及更好的美学潜力。这篇研究的目的是为了评估通过3维打印导板和牙齿印模技术实施牙根发育完成自体牙移植的临床疗效。研究对27颗牙根发育完成第三磨牙的自体移植进行观察评估。每个供体牙齿及受体部位均进行临床和放射线(根尖周X线)检查。对每个供体牙齿及受体部位实施选择性的锥形束CT扫描。对所选供体牙齿的影像进行分段处理并保存为立体光刻文件。类似于虚拟的牙种植体设计,使用立体光刻文件预定义供体牙齿的校正角度、旋转和准确的位置。基于虚拟定义的供体牙齿定位和维度,打印3维导板和供体牙齿印模。所有自体牙移植均依照一种治疗方案和外科手术技术。结果显示,24颗自体移植牙齿中有22颗在愈合期间未发生感染。2年时,22颗牙齿中未见病理性的X线可透射影像以及牙齿吸收情况。自体移植牙的22例病例均达到了成功标准,成功率为91.7%。结论:数字技术可以潜在的为当下自体移植技术提供准确的定位。原始出处:Abella F, Ribas F, et al. Outcome of Autotransp

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    2018-10-15 feather85
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    2018-09-08 zhouqu_8
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    2018-09-06 内科新手

    谢谢梅斯提供这么好的信息,学到很多

    0

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