在人工运河中,几种深度冷处理的-内旋转和反转文件的循环疲劳抵抗力
Airida Vaikšnytė1, Nijolė Krasilnikova, Akvilė Strazdaitė
1Faculty of Odontology, Lithuanian University of Health Sciences, Eivenių g. 2, LT-50161, Kaunas, Lithuania. airida.vaiksnyte@gmail.com.
Stomatologija
|February 2, 2026
概括
深度冷处理显著提高了Reciproc内牙仪器的循环疲劳抵抗力. 这种冷疗法也使得 Reciproc 文件比旋转式 ProTaper 仪器更耐用.
科学领域:
- 牙科材料科学 牙科材料科学
- 牙周内科医院 牙周内科医院 牙周内科医院
- 材料工程是材料的工程.
背景情况:
- 循环疲劳抵抗对于内牙仪器的寿命至关重要.
- 低温处理是一种提高材料性能的潜在方法.
- 没有先前的研究评估了冷治疗对旋转和反转内牙科档案的影响.
研究的目的:
- 调查冷疗法对- (NiTi) 旋转和反转内牙科文件的循环疲劳耐受性的影响.
- 为了比较不同NiTi仪器系统在冷处理后的循环疲劳阻力.
主要方法:
- 使用了20个旋转式 (ProTaper Next,ProTaper Ultimate) 和20个反转式 (Reciproc,Plex RC-ONE) 的NiTi仪器.
- 仪器被分为对照组和冷处理组 (24小时在196°C的液中).
- 循环疲劳耐力在模拟的90度曲通道中进行了测试,记录了到骨折的时间.
主要成果:
- 低温处理显著改善了 Reciproc 仪器的循环疲劳抵抗力.
- 在ProTaper Next,ProTaper Ultimate或Plex RC-ONE仪器上没有观察到冷疗法的显著影响.
- 与冷组中的其他系统相比,互换仪表表现出明显更高的循环疲劳抵抗力.
结论:
- 深度冷治疗有效地增强了 Reciproc 互换式内牙仪器系统的循环疲劳抵抗力.
- 与ProTaper Next和ProTaper Ultimate旋转仪器相比,Reciproc仪表表现出优越的循环疲劳抵抗力.
- 低温疗法对改善特定内牙科仪器的耐用性显示出希望.
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