在热力学负荷下对生物模拟修复的应力分析,使用三维有限元素分析
Harshitha Paruchuri1, Srinidhi Vishnu Ballullaya1, Ajay Kumar Vadamodalu1
1Department of Conservative Dentistry and Endodontics, Paruchuri Dental Clinic, Khammam, Telangana, India.
Journal of conservative dentistry and endodontics
|October 31, 2025
概括
纤维增强复合材料 (FRC) 降低了下毛恢复中的压力度. 这项有限元素分析 (FEA) 研究发现,与其他材料相比,FRC层可以最大限度地减少压力,改善牙修复复合体的完整性.
科学领域:
- 牙科材料科学 牙科材料科学
- 生物材料工程 生物材料工程
- 有限元分析 有限元分析
背景情况:
- 牙修复的目的是模仿天然牙的结构和功能.
- 了解牙修复复合体中的压力分布对于长寿至关重要.
- 有限元素分析 (FEA) 为模拟生物机械行为提供了一个强大的工具.
研究的目的:
- 用FEA评估下下大骨修复中的压力度.
- 为了比较不同修复材料在热力学负荷下的应力模式.
- 评估纤维增强复合材料 (FRC) 在应激管理方面的有效性.
主要方法:
- 使用SolidWorks创建了四个下第一个牙的3D有限元素模型.
- 模型包含了牙,牙,牙肉,牙周带和膜骨.
- 修复包括散装复合材料,不同模量复合材料的FRC,以及陶覆盖.
主要成果:
- 在陶恢复下,牙复合材料的最大主应力是5.675MPa.
- 在间接陶修复下,牙的最大主应力是3.595MPa.
- 在散装复合材料下,牙的最大主应力是3.090MPa.
- 纤维增强复合材料 (FRC) 层的应力值明显较低 (2.068 MPa 在牙复合材料中, 2.427 MPa 在牙中).
结论:
- 使用纤维增强复合材料 (FRC) 层作为中间材料来取代牙甲结 (DEJ) 导致应力度降低.
- 对于提高牙科修复的耐用性,FRC整合显示出有前途.
- FEA是优化牙科材料选择和修复设计的一个有价值的方法.
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