在儿科中压力分布的有限元分析,用四种不同的水泥斗的锡金冠
Subhashree Sahoo1, Senthil Kumar Palanimuthu2, Ganesh Rajendran3
1Pediatric and Preventive Dentistry, Sri Aurobindo College of Dentistry, Sri Aurobindo University, Indore, IND.
Cureus
|May 22, 2025
概括
聚碳酸盐水泥 (PC) 在儿科牙科中为预制金冠提供了最佳的应力分布,减少了牙上的压力. 这一发现有助于选择最佳的化水泥,以改善皇冠的寿命.
科学领域:
- 生物材料科学 生物材料科学
- 儿科牙科 儿科牙科
- 牙科机械 牙科机械
背景情况:
- 预制的合金皇冠因其美学和机械特性而在儿科牙科中越来越受欢迎.
- 选择化水泥对于管理皇冠牙接口的压力和确保临床成功至关重要.
- 了解应力分布是优化石修复性能的关键.
研究的目的:
- 为了比较预制的压力分布,使用四种化水泥:酸水泥 (ZPC),聚碳酸水泥 (PC),玻璃离子体水泥 (GIC) 和树脂水泥 (RC).
- 用有限元素分析 (FEA) 来评估不同泥在各种负荷下不同泥的生物力学行为.
主要方法:
- 创建了一个3D有限元素模型,该模型是初级下第二,并配备了预制的石皇冠.
- 该模型受到垂直,斜和横向的力.
- ·米塞斯应力在牙,牙冠和水泥层上对每个材料进行了分析.
主要成果:
- 酸水泥 (ZPC) 显示出最高的·米塞斯应力,特别是在水泥和牙层中.
- 聚碳酸盐水泥 (PC) 显示了最低的应力值,表明最小的机械应力.
- 玻璃离子体水泥 (GIC) 和树脂水泥 (RC) 显示了中间应力模式.
结论:
- 化水泥的选择显著影响了预制金玉冠下的应力分布.
- 聚碳酸盐水泥 (PC) 在模拟条件下表现出最有利的生物机械性能.
- 建议进行进一步的临床研究,以验证这些FEA发现并评估长期临床结果.
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