牙髓锉的相互运动-更简单和更确定的治疗程序

S. Živković, Marijana Popović-Bajić, Marija Živković
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引用次数: 0

摘要

近年来,许多技术解决方案显著改善了运河的清洁和成形,使运河仪器更简单、更高效、更安全。锉工作部件的特殊设计和NiTi合金的特殊热改性改变了锉在管内的运动动力学,使治疗师能够更快、压力更小地进行管内固定。研究表明,通过改变锉的常规连续旋转,可以解决锉在根管制备过程中的循环疲劳和扭转应力问题。牙科技术引入了相互运动的技术,作为替代全文件旋转。在器械过程中,基于平衡力技术的锉旋转方向的改变,显著减少了与根管壁的接触面,消除了旋紧的影响,延长了锉的使用寿命,进一步提高了不同根管系统器械的安全性。改变通常的锉移动动态的一个重要优点是,往复运动的概念是基于只使用一个锉,除了缩短治疗时间外,还使这种干预更安全,并且显著降低了NiTi锉的缺陷和骨折百分比。本文的目的是介绍用相互运动的镍钛锉进行管内固定的概念,以及这些锉在不同临床情况下的发展、特性和应用的可能性。
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Reciprocial movements of endodontic files - simpler and more certain therapeutic procedure
Numerous technological solutions in recent years have significantly improved the cleaning and shaping of canals and made canal instrumentation simpler, more efficient and safer. Significantly faster and less stressful canal instrumentation for the therapist is enabled by the specific design of the file working part and a special thermal modification of NiTi alloy with a change in the movement dynamics of the file in the canal. Research has shown that the problem of cyclic fatigue and torsional stress of the file during canal preparation can be solved by changing usual continuous rotation of the file. Dental technology has introduced the technique of reciprocal movements as an alternative to full file rotation. This change in file rotation direction during instrumentation, based on the technique of balanced forces, significantly reduces contact surface with the canal wall, eliminates the effect of screwing, extends the life of the file and further increases safety of instrumentation of different canal systems. An important advantage of changing the usual dynamics of file movements is that the concept of reciprocal movements is based on the use of only one file, which in addition to shortening treatment time also makes this intervention safer and with significantly lower percentage of defects and fractures of NiTi files. The aim of this paper was to present the concept of canal instrumentation with NiTi files with reciprocal movements as well as development, properties and possibility of application of these files in different clinical situations.
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