静态和动态应力分析不同的皇冠材料在一个植入式支单个皇冠的基支柱:一个3D有限元素分析
Gonca Deste Gökay1, Perihan Oyar2, Gülsüm Gökçimen3
1Department of Prosthodontics, Faculty of Dentistry, Bursa Uludag University, Bursa, Türkiye. goncadeste@uludag.edu.tr.
BMC oral health
|May 10, 2024
概括
这项研究使用有限元素分析分析了牙冠材料. 二氧化冠显示出优越的疲劳性能和有利的应力分布与支柱,表明临床可行性.
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
- 有限元分析 有限元分析
背景情况:
- 牙科植入物组件的生物机械行为对于长期成功至关重要.
- 基支柱通常用于各种皇冠材料.
- 了解应力分布和疲劳寿命对于假肢设计至关重要.
研究的目的:
- 分析不同牙冠材料的生物力学性能.
- 为了评估植入式支冠的应力分布和疲劳寿命.
- 为了比较聚乙烯基 (PEEK),陶网,脱酸盐和基增强酸盐.
主要方法:
- 用有限元分析 (FEA) 建模了五个植入式支持的单冠设计.
- 应用静态和动态斜负荷来模拟力.
- 植入物,支柱,螺丝,皇冠和周围骨的应力被评估.
主要成果:
- 所有模型都在植入物,支柱和骨头中显示了可比的应力.
- 聚乙基 (PEEK) 冠状表现出最低的宫应力.
- 脱酸盐皇冠显示,植入物和支柱的疲劳周期显著更高.
结论:
- 二氧化冠与基支柱提供有利的应力分布.
- 这些修复表明至少十年的临床成功有前途.
- 临床医生可以考虑脱酸用于植入物支持的修复.
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