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首页> 外文期刊>The international journal of medical robotics + computer assisted surgery: MRCAS >Finite element analysis of customized implant in mandibular reconstruction after tumor resection with and without using customized surgical osteotomy guide
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Finite element analysis of customized implant in mandibular reconstruction after tumor resection with and without using customized surgical osteotomy guide

机译:肿瘤切除术后肿瘤切除术后颌骨重建定制植入物的有限元分析

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Abstract Objectives The aim of this work was to compare different 12 cases (3 patients * 4 cases?=?12 cases) with varying gaps between implant and bone by analyzing the effect of these gaps on implant and screws using FEM. Methods In each patient's case 1 using CSOG and in case 2, 3, and 4 without using CSOG tumor cutting was done. Hence in each patient zero gaps at case 1 and overcutting at case 2, 3, and 4 have obtained at different locations. Results FEM results reveal that in each patient's case 4 (maximum gap) was more susceptible to loosening of the screws due to higher strains (37%) and implant failure due to higher stress (28%) concentration under the same loading conditions when compared with case 1 (zero gap). Conclusions The study reveals that mandibular reconstruction with implant placement using CSOG can significantly enhance the stability and safety of the implant.
机译:摘要目的这项工作的目的是比较不同的12例(3例患者* 4例?=?12例),通过分析使用FEM的植入物和螺钉的植入物和螺钉之间的效果,在植入物和骨之间变化。 通过CSOG和情况2,3和4的每位患者的情况1的方法完成了不使用CSOG肿瘤切割的情况。 因此,在每个患者在不同位置处的情况下,在壳体1和壳体2,3和4处的过度旋转中的零间隙。 结果FEM结果表明,在每个患者的情况下(最大间隙)更容易受到由于较高的菌株(37%)和植入物失效而导致的螺钉,并且在与相同的负载条件下的负载条件下 案例1(零间隙)。 结论该研究表明,使用CSOG与植入物置入的下颌重建可以显着提高植入物的稳定性和安全性。

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