通过被动自刺激槽喷气来优化狭窄腔流场,用于根运河灌
Zhenwei Liu1,2, Wenzhao Huo1,2, Youwei Tan1,2
1Ministry of Education Key Laboratory of Thermo-Fluid Science and Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi Province 710049, China.
Journal of biomechanical engineering
|December 13, 2025
概括
一种新的插槽喷射针通过诱导自我激发来增强根管灌,改善狭窄道中的生物膜和碎片清除. 这种技术可以提高清洗效率和深度,同时确保安全.
科学领域:
- 牙周内科医院 牙周内科医院 牙周内科医院
- 生物医学工程 生物医学工程
- 流体动力学 流体动力学
背景情况:
- 根管治疗的成功取决于有效的灌剂,以去除生物膜和碎片.
- 根通道的复杂解剖学限制了灌剂的有效性,特别是在顶部地区.
- 目前的灌技术在混合流体和去除粘在墙壁上的材料方面遇到了困难.
研究的目的:
- 开发和评估一种新的被动自我激发喷气技术,以改善根管灌.
- 优化插槽喷射针的设计,以提高根通道内的流体动力学.
- 评估新设计对清洁性能,质量交换和顶峰压力的影响.
主要方法:
- 研究了槽角和孔径对喷气合和灌效率的影响.
- 利用逐渐缩小的喷嘴的原理来研究逐渐缩小角度的影响.
- 使用计算流体动力学 (CFD) 或实验模型,将优化槽喷射针与标准30G针的性能进行比较.
主要成果:
- 通过90度槽角和0.1毫米光圈直径实现最佳灌性能.
- 优化的插槽喷射针设计显著提高了有效清洗面积 (高达20.82%) 和扩展深度 (高达50.79%).
- 平均顶峰压力降低了高达23.39%,表明安全性有所改善.
结论:
- 与传统方法相比,带有新槽喷射针的被动自我激发喷射技术提供了优越的根管灌.
- 优化的针设计同时提高了清洁性能,质量交换和安全性.
- 这种创新方法具有很大的潜力,可以提高内牙治疗的结果.
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