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螺丝入力,扭矩生成和滑行路径文件的性能,具有三种旋转动力学
Jee-Yeon Woo1,2, Ji-Hyun Jang2,3, Seok Woo Chang2,3
1Department of Conservative Dentistry, Graduate School, Kyung Hee University, 23 Kyungheedae-Ro, Dongdaemun-Gu, Seoul, 02447, Republic of Korea.
Odontology
|December 15, 2023
概括
替代旋转技术 (ART) 降低了ProTaper终极滑板 (PULS) 文件的螺丝入力,并改善了HyFlex EDM滑动路径 (HEDG) 文件的滑动路径准备速度. 这项研究评估了NiTi滑行路径文件性能与不同的旋转动力学.
科学领域:
- 牙周内科医院 牙周内科医院 牙周内科医院
- 牙科材料科学 牙科材料科学
- 生物医学工程 生物医学工程
背景情况:
- - (NiTi) 滑动路径文件对于内牙治疗至关重要.
- 优化旋转动力学可以提高文件性能和安全性.
- 不同的文件设计和运动动力学可能会影响螺丝入力,扭矩和集中能力.
研究的目的:
- 为了比较ProTaper Ultimate Slider (PULS) 和HyFlex EDM滑动路径 (HEDG) 文件的螺丝入力,扭矩和性能,使用恒定旋转 (CON) 和替代旋转技术 (ART).
- 为了评估WaveOne Gold Glider (WOGG) 的性能,使用反转运动 (RCP) 作为控制.
- 评估不同旋转动力学对J形树脂块滑行路径制备的影响.
主要方法:
- 60个J形树脂块被分为五个组 (n=12):PULS_CON,PULS_ART,HEDG_CON,HEDG_ART和WOGG_RCP.
- 滑动路径的准备是使用自动设备进行的.
- 记录了螺丝入力,扭矩 (顺时针和逆时针),以及达到工作长度的动动作. 中心比率是通过立体显微镜评估的.
主要成果:
- 与PULS_CON.相比,PULS_ART表现出较低的最大螺丝力.
- 为了达到工作长度,HEDG_ART比HEDG_CON.需要更少的动.
- 与CON模式相比,ART模式增强了PULS和HEDG文件的集中能力,PULS_ART的集中比率为0.09,HEDG_ART的集中比率为0.01.
结论:
- 替代旋转技术 (ART) 有效地降低了PULS文件的螺丝入力.
- 使用HEDG文件,ART可以更快地准备滑翔路径.
- 不同的旋转动力学显著影响NiTi滑动路径文件的性能,为改善内牙术程序提供了潜力.
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