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针对双侧上颌骨畸形患者定制种植体（带支柱式基台）界面在种植体及周围骨组织应力集中情况的三维有限元分析

A 3-Dimensional finite element analysis of patient-specific implant (with strut abutments) interface on stress concentration on the implant and surrounding bone in bilateral maxillary deformities.

作者信息

Datarkar Abhay N, Pardiwala Arwa F, Relan Priyanka, Daware Surendra, Gadve Vandana, Deshpande Archana, Ghormade Ashlesha

机构信息

Department of Oral and Maxillofacial Surgery, Government Dental College and Hospital, Nagpur, Maharashtra, India.

出版信息

Natl J Maxillofac Surg. 2024 May-Aug;15(2):268-272. doi: 10.4103/njms.njms_155_23. Epub 2024 Jul 24.

DOI:10.4103/njms.njms_155_23
PMID:39234141
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11371289/
Abstract

PURPOSE

To determine the efficacy and longevity of patient-specific implants (PSIs) with strut abutment design to rehabilitate bilateral maxillectomy defect.

MATERIALS AND METHODS

Finite Element Analysis was performed on a PSI with strut abutments to repair a patient's bilateral maxillectomy defect due to COVID associated mucormycosis.

RESULTS

The von Mises stress recorded was maximum in the zygomaticomaxillary buttress region, and displacement values were noted to be highest in the posterior-most strut, although both parameters were within acceptable limits, which is favorable.

CONCLUSION

The authors draw the conclusion that a PSI with strut abutments is a workable therapeutic modality for patients with these kinds of abnormalities based on this information.

摘要

目的

确定采用支柱式基台设计的定制种植体（PSI）修复双侧上颌骨切除缺损的疗效和使用寿命。

材料与方法

对一个带有支柱式基台的PSI进行有限元分析，以修复一名因新冠相关毛霉菌病导致双侧上颌骨切除的患者的缺损。

结果

记录到的冯·米塞斯应力在颧上颌支柱区域最大，而后端支柱的位移值最高，不过这两个参数均在可接受范围内，这是有利的。

结论

基于这些信息，作者得出结论，对于患有此类异常的患者，带有支柱式基台的PSI是一种可行的治疗方式。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b8d8/11371289/de333f5459d9/NJMS-15-268-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b8d8/11371289/63dbf3ac8a87/NJMS-15-268-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b8d8/11371289/5c1d8ae39c68/NJMS-15-268-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b8d8/11371289/815d03a2e30b/NJMS-15-268-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b8d8/11371289/fbbd367003e9/NJMS-15-268-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b8d8/11371289/de333f5459d9/NJMS-15-268-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b8d8/11371289/63dbf3ac8a87/NJMS-15-268-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b8d8/11371289/5c1d8ae39c68/NJMS-15-268-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b8d8/11371289/815d03a2e30b/NJMS-15-268-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b8d8/11371289/fbbd367003e9/NJMS-15-268-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b8d8/11371289/de333f5459d9/NJMS-15-268-g005.jpg

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