新型仿制品样器械在静态测试模型中的循环疲劳抗性评估。
Evaluation of Cyclic Fatigue Resistance of Novel Replica-Like Instruments in Static Test Model.
作者信息
Aydın Uğur, Özdemir Melih, Çulha Emre, Baştürk Özer Muazzez Naz, Turan Bilal
机构信息
Department of Endodontics Gaziantep University, Gaziantep, Türkiye.
出版信息
Appl Bionics Biomech. 2024 Aug 21;2024:8842478. doi: 10.1155/2024/8842478. eCollection 2024.
INTRODUCTION
The aim of our study is to comparatively analyze the canal cyclic fatigue resistance of widely used rotary file systems, including EndoArt Touch Gold (ETG), Perfect MTF Plus Gold (PPG), Fanta V-Taper Gold (FVG), and ProTaper Next (PTN).
METHODS
Stainless steel canals with a 60° angle and a 3-mm curvature radius were specially prepared. The canals were shaped with each rotary file system and tested for resistance using a cyclic fatigue testing apparatus. The number of fracture cycles (NFC; K file tip separation) was measured. Data were analysed by one-way ANOVA and post hoc LSD tests.
RESULTS
PTN and PPG rotary file systems exhibited the highest NFC. The NFC value for PTN was 589 ± 63, and for PPG, it was 507 ± 51.
CONCLUSION
The results of this study demonstrate that rotary file systems such as PTN and PPG exhibit higher cyclic fatigue resistance. ETG and FVG rotary file systems also possess generally acceptable cyclic fatigue resistance levels.
引言
我们研究的目的是比较分析广泛使用的旋转锉系统的根管循环疲劳抗力，包括EndoArt Touch Gold（ETG）、Perfect MTF Plus Gold（PPG）、Fanta V-Taper Gold（FVG）和ProTaper Next（PTN）。
方法
专门制备了角度为60°、曲率半径为3毫米的不锈钢根管。用每个旋转锉系统对根管进行塑形，并使用循环疲劳测试装置测试其抗力。测量断裂循环次数（NFC；K锉尖分离）。数据采用单因素方差分析和事后LSD检验进行分析。
结果
PTN和PPG旋转锉系统表现出最高的NFC。PTN的NFC值为589±63，PPG的NFC值为507±51。
结论
本研究结果表明，PTN和PPG等旋转锉系统表现出更高的循环疲劳抗力。ETG和FVG旋转锉系统也具有普遍可接受的循环疲劳抗力水平。
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