根通道中的超声波灌流:超声波功率和文件插入深度的影响
A Koulogiannis1, A D Walmsley2, P Angeli3
1FluME, Department of Mechanical Engineering, University College London (UCL), London, UK.
Scientific reports
|March 4, 2024
概括
根管治疗中的超声波灌有效地破坏了生物膜. 更高的超声波功率设置增强了流体流动和剪切应力,改善了向难以到达的区域输送灌剂,以更好地去除生物膜.
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:
- 超声波灌对于根管治疗中的生物膜破坏至关重要.
- 改善灌流向难以进入的地区仍然是一个挑战.
研究的目的:
- 实验性地研究超声波功率和文件插入深度对超声波灌过程中的流场和水力动力学力的影响.
- 优化超声波灌参数,以提高根管清洁.
主要方法:
- 使用3D打印的根管幻影和PDMS通道.
- 粒子图像速度测量 (PIV) 用于研究流场.
- 一个带有#15K-file的超声波仪器被用于灌.
主要成果:
- 超声波功率显著影响速度和剪切应力分布.
- 流动模式从局部变化到关键功率以上的整个运河覆盖范围.
- 更高的功率设置增加了靠近运河壁的剪切应力,有助于生物膜的去除.
结论:
- 更高的超声波功率设置有利于根管治疗中的超声波灌.
- 优化功率可以增强剪切应力和灌剂的输送,从而改善生物膜的破坏.
- 与超声波功率相比,文件插入深度的影响较小.
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