在可曲的植入物系统中,对各种植入物倾斜和支架类型的生物力学比较
Esra Bilgi-Ozyetim1, Gökçen Dinçer2,3, Ammar Sulaiman4
1Department of Prosthodontics, Faculty of Dentistry, Istanbul Yeni Yuzyil University, Istanbul, Türkiye.
BMC oral health
|July 19, 2025
概括
固定在水泥中的假肢可能在All-on-4概念中提供更好的应力分布,特别是在角度植入物中. 谨慎的植入方位和负载管理是长期稳定的关键.
科学领域:
- 生物材料工程 生物材料工程
- 牙科植入物学 牙科植入物学
- 生物力学 生物力学
背景情况:
- 全在4概念利用四个牙科植入物来支持一个全门假肢.
- 可曲的单片植入物在这个概念中提供了独特的设计可能性.
- 了解压力分布对于长期的植入成功至关重要.
研究的目的:
- 评估植入周围骨,植入表面和框架材料中的应力分布.
- 分析垂直和斜负荷对可曲单片植入物的各种角度和支架类型的影响.
- 为了在All-on-4环境中比较水泥固定和螺丝固定假肢之间的应力模式.
主要方法:
- 创建了一个无牙下的3D模型.
- 模拟了六种配置,不同的假肢连接类型和后部植入物倾斜度.
- 应力值 (最大本金,最小本金,·米塞斯) 在垂直和斜负荷下计算.
主要成果:
- 植入物角度,连接类型和负载显著影响了应力分布.
- 增加后部植入物角度与更高的应力值相关.
- 螺丝固定模型表现出比固定在水泥上的模型更大的应力.
结论:
- 固定在水泥上的假肢可能是最佳应力分布的首选,特别是在增加植入物角度的情况下.
- 尽量减少过度的压力和增强长期稳定性需要仔细考虑后部植入物角度和负载条件.
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