根管灌中的切割应力动力学:对各种针设计的注射器灌计算流体动力学研究的系统审查
Niranjan Harikrishna1, Nishmitha N Hegde1, Chaithra Lakshmi1
1Department of Conservative Dentistry and Endodontics, AB Shetty Memorial Institute of Dental Sciences, Nitte (Deemed to be University), Mangalore, Karnataka, India.
Frontiers in dental medicine
|February 25, 2026
概括
计算流体动力学 (CFD) 揭示了针设计对牙周灌的影响. 侧通风针提供了一个平衡的方法,而开放式设计需要谨慎进行有效的碎片清除和生物膜破坏.
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
- 计算科学 计算科学
背景情况:
- 有效的内牙灌对于从无法进入的根运河区域中去除碎片和生物膜至关重要.
- 计算流体动力学 (CFD) 提供了一个in silico方法来分析灌流和墙壁剪切应力 (WSS).
研究的目的:
- 系统地审查基于注射器的内牙灌计算流体动力学 (CFD) 研究.
- 评估针设计和通道形态对灌液流动力学和壁切应力 (WSS) 的影响.
主要方法:
- 按照PRISMA 2020指南进行系统审查,搜索PubMed,Scopus和科学网络.
- 包括使用CFD在模拟或提取的根管系统中评估WSS的in silico研究.
- 对针类型,流量参数,顶端制剂大小和WSS结果的数据的定性综合.
主要成果:
- 开端的针产生了最高的尖端WSS和压力;侧通风的针显示了中等的WSS和较低的压力.
- 双侧通风和修改的多出口针减少了峰值应力和改善了墙壁覆盖.
- 较小的尖端制剂和狭窄的缩剂增加了WSS;较大的制剂减少了WSS并平滑了流量.
结论:
- CFD分析强调了针的几何形状和道形态对于灌效率和安全的重要性.
- 侧通风针是一个临床上平衡的选择,而开放式针需要小心使用.
- 标准化CFD协议和使用现实的道模型对于基于证据的内牙灌策略至关重要.
相关概念视频
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