不同的植入物位置和支柱类型对非轴承负载下的应力和应变分布的影响:一个三维有限元素分析
Didem Sakar1, Mustafa Baris Guncu1, Hale Arikan2
1Department of Prosthodontics, School of Dentistry, Hacettepe University, Ankara, Turkey.
Journal of dental sciences
|February 2, 2024
概括
这项研究研究了吸引力 (六角形) 和非吸引力支柱如何影响牙科植入物中的压力. 结果显示压力分布的差异很小,这表明这两种类型在固定假肢中是相似的.
科学领域:
- 生物材料科学 生物材料科学
- 牙科工程 牙科工程
- 生物力学 生物力学
背景情况:
- 牙植入物是缺失牙的常见解决方案.
- 了解应力分布对于植入物寿命至关重要.
研究的目的:
- 分析吸引力 (六角形) 和非吸引力 (非六角形) 支柱的影响.
- 为了评估六个单位的固定牙假肢的应力分布,专注于植入物部,支柱和周围的骨头.
主要方法:
- 三个大植入物的数字设计和放置.
- 创建了五种不同的六个单位固定假肢模型,具有不同的支架组合.
- 应用角力来分析使用有限元分析的应力分布.
主要成果:
- 在植入物部区域分析了·米塞斯应激值.
- 在六角形支柱上观察到最高的应力值.
- 具体模型显示了变化,但整体压力影响在支柱类型中是相似的.
结论:
- 参与和非参与的支柱在牙植入系统内对应力分布有着相似的影响.
- 支架类型对测试的假肢模型的整体应力模式产生了相似的影响.
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