混合定制植入物支柱的机械行为与各种皇冠材料:一个3D有限元素分析
Pongsakorn Poovarodom1, Guilherme Faria Moura1, Fabio Antonio Piola Rizzante1
1Department of Reconstructive and Rehabilitation Sciences, James B. Edwards College of Dental Medicine, Medical University of South Carolina, Charleston, USA.
BMC oral health
|July 5, 2025
概括
选择支柱材料显著影响混合定制植入物支柱中的应力分布. 高的模块材料通过优化应力结果来增强植入物系统的稳定性.
科学领域:
- 生物材料科学 生物材料科学
- 牙科植入物学 牙科植入物学
- 机械工程 机械工程
背景情况:
- 了解混合定制植入物支柱的机械行为对于牙科应用至关重要.
- 各种材料组合对这些支柱的应力分布的影响需要进一步研究.
研究的目的:
- 用不同的材料组合来评估混合定制植入物支柱的机械行为.
- 分析这些材料对·米塞斯应力,主要应力和变形的影响.
主要方法:
- 创建了两个3D模型 (subcrestal和equicrestal),结合了各种支柱和皇冠材料.
- 用有限元分析 (FEA) 来评估在200N负荷下应力分布.
主要成果:
- 在所有测试的配置中,基始终显示了最高的·米塞斯应力.
- 聚乙基 (PEEK) 变种减少了定制支柱的应力,但增加了基的应力.
- 支柱材料的选择显著影响了应力分布,而不是皇冠材料.
结论:
- 支柱材料的选择对于优化混合定制植入物支柱的应力分布至关重要.
- 建议在支架上使用具有高扬模量的材料,以提高植入物系统的稳定性.
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