在模拟的单曲和双曲道中评估四种不同的滑行路径仪器的动态扭矩和螺丝力:一个体外研究研究
Myint Thu1, Arata Ebihara1, Keiichiro Maki1
1Department of Pulp Biology and Endodontics, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan.
Journal of dental sciences
|October 6, 2023
概括
这项研究比较了四个滑行路径仪器在模拟的单曲和双曲根通道中的扭矩和螺丝力. 在单曲线中,TruNatomy Glider显示出更高的扭矩,而Hyflex EDM在两种运河类型中都显示出更大的螺丝力.
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
- 生物机械工程 生物机械工程
背景情况:
- 滑动路径仪器对于最初的根运河准备至关重要.
- 它们在抗扭力和螺丝入力方面的耐用性对于安全的仪器仪表至关重要.
- 了解不同通道曲率的性能变化对于临床成功至关重要.
研究的目的:
- 为了评估和比较四种滑翔路径仪器的扭矩和螺丝入力:TruNatomy Glider (TN),ProGLIDER (PG),Hyflex EDM (EDM) 和Dent Craft RE (RE).
- 评估单曲和双曲模拟根通道对这些机械性能的影响.
主要方法:
- 四个滑行路径仪器品牌 (TN,PG,EDM,RE) 在模拟的单曲和双曲树脂通道中进行了测试.
- 使用XSmart IQ无线电机测量扭矩和螺丝力,此前用#10 K-file确定了通道通透度.
- 统计分析使用了Kolmogorov-Smirnov,Kruskal Wallis和Mann-Whitney U测试,使用邦费罗尼校正 (α=0.05).
主要成果:
- 在单曲道中,TruNatomy Glider (TN) 的扭矩明显高于Dent Craft RE (RE),而在双曲道中,ProGLIDER (PG) 的扭矩明显高.
- 在单曲道中,Hyflex EDM (EDM) 的螺丝力明显高于TN和RE,而在双曲道中没有显著差异.
- 管道配置仅对EDM有显著的影响,但对任何仪器的扭矩没有显著影响.
结论:
- 在单曲和双曲道中,TruNatomy Glider (TN) 和Dent Craft RE (RE) 分别表现出更高的扭矩.
- 在这两种运河类型中,Hyflex EDM (EDM) 始终表现出更大的螺丝力.
- 运河的曲率显著影响了Hyflex EDM仪器的螺丝力,但没有影响任何测试仪器的扭矩.
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