Department of Endodontics, Faculty of Dental Medicine, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania.
Department of Automotive, Transportation and Industrial Engineering, Faculty of Mechanics, University of Craiova, 200478 Craiova, Romania.
Int J Environ Res Public Health. 2022 Jul 22;19(15):8928. doi: 10.3390/ijerph19158928.
The purpose of this study was to show the improved outcomes of restoring endodontically treated teeth with fiberglass posts compared to restorations using metal posts. In our study, we used the Finite Element Method (FEM), which is based on the principle that a physical model that supports a given load distributes the stress throughout its volume. We sought to assess what stress results in a tooth when it is restored using a fiberglass post compared to restoration using a metal post. The finite element analysis showed that a system consisting of a tooth with a fiberglass post is more stable in terms of the maximum stress than a system consisting of a tooth with a metal post. The maximum displacements and deformations were obtained in the case of a canine restored with a fiberglass post, which showed that this system had a high elasticity, therefore, higher strength than a canine restored with a metal post, which had high rigidity.
本研究旨在展示与金属桩修复相比，用玻璃纤维桩修复根管治疗后的牙齿的效果改善。在我们的研究中，我们使用了有限元法（FEM），该方法基于这样的原理，即支持给定载荷的物理模型会在其整个体积中分配应力。我们试图评估在使用玻璃纤维桩修复的情况下，牙齿会产生什么样的应力，而与使用金属桩修复的情况相比。有限元分析表明，在最大应力方面，由带有玻璃纤维桩的牙齿组成的系统比由带有金属桩的牙齿组成的系统更稳定。在使用玻璃纤维桩修复的犬齿的情况下，获得了最大的位移和变形，这表明该系统具有高弹性，因此比用金属桩修复的犬齿具有更高的强度，后者具有高刚性。
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