Effectiveness of the implant stabilizing plate on the stress distribution around the implant placed immediately after maxillary sinus lifting: A finite element study.

IF 1 Q3 DENTISTRY, ORAL SURGERY & MEDICINE
V R Arun Kumar, Shivasakthy Manivasakan, K Prabhu, David Livingstone, J Shanti Swarup
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Abstract

Aim: To assess the effectiveness of this Implant T Stabilizing plate in distributing the masticatory stress around the implant placed immediately after maxillary sinus lifting in cases with reduced remaining bone height (3 mm).

Settings and design: In vitro experimental study.

Materials and methods: Two 3D finite element maxillary models with implant placement in 16 region were designed, one without an implant T stabilizing plate and another with an implant T stabilizing plate. Interim removable partial denture with soft liner replacing 16 and 17 was also designed for both models over which the masticatory force of 12 kg was applied. The maximum principal stress generated around the implant and surrounding bone in both models was measured.

Statistical analysis used: Statistical analysis was done by using MedCalc stratistical software - version 23.1.7 in which 'Receiver Operating Characteristic Curve' analysis was performed to check for the sensitivity and specificity of the material used.

Results: The maximum principal stress around the implant and the cortical bone in working model 1 (without the ITS plate) was 5.2972 and 5.2387 mega pascal respectively. The maximum principal stress around the implant and the cortical bone in working model 2 (with ITS plate) was 1.1663 and 4.5568 mega pascal respectively. In the working model 2, the Implant T stabilizing plate absorbs maximum stress of 10.022 mega pascal.

Conclusion: The implant T stabilizing (ITS) plate to the implant placed immediately after maxillary sinus lifting absorbs the maximum stress there by reducing the stress around the implant and surrounding bone even in cases of minimal remaining bone height.

上颌窦提升后种植体稳定钢板对种植体周围应力分布的影响:一项有限元研究。
目的:评估种植体T稳定钢板在上颌窦提升后即刻放置种植体周围咀嚼应力分布的有效性,用于剩余骨高度降低(3mm)的病例。设置与设计:体外实验研究。材料与方法:设计了16个区域种植体放置的2个上颌三维有限元模型,一个不带种植体T稳定板,另一个带种植体T稳定板。采用软衬代替16和17的中间可摘局部义齿,对两种模型施加12kg的咀嚼力。测量两种模型种植体周围和周围骨产生的最大主应力。采用统计分析:采用MedCalc 23.1.7版统计软件进行统计分析,采用“受试者工作特征曲线”分析,检查所用材料的敏感性和特异性。结果:工作模型1(不含ITS板)种植体和皮质骨周围最大主应力分别为5.2972和5.2387兆帕斯卡。工作模型2(含ITS板)种植体和皮质骨周围的最大主应力分别为1.1663兆帕斯卡和4.5568兆帕斯卡。在工作模型2中,植体T稳定板吸收的最大应力为10.022兆帕斯卡。结论:上颌窦提升后即刻植入种植体T稳定钢板,即使在剩余骨高度很小的情况下,也能通过减少种植体周围和周围骨的应力来吸收种植体的最大应力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
The Journal of Indian Prosthodontic Society
The Journal of Indian Prosthodontic Society DENTISTRY, ORAL SURGERY & MEDICINE-
CiteScore
2.20
自引率
8.30%
发文量
26
审稿时长
20 weeks
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