Int J Stomatol

Int J Stomatol ›› 2022, Vol. 49 ›› Issue (6): 663-669.doi: 10.7518/gjkq.2022097

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Research progress on nickel-titanium instruments for root canal preparation machine

Zhang Qilin1(),Li Jun2,Li Shuhui3()   

  1. 1.Dept. of Stomatology, Xinjiang Medical University, Urumqi 830000, China
    2.Dept. of Maxillofacial Surgery, Xinjiang Uygur Autonomous Region People ’s Hospital, Urumqi 830000, China
    3.Dept. of Stomatology, Xinjiang Uygur Autonomous Region People ’s Hospital, Urumqi 830000, China
  • Received:2022-02-22 Revised:2022-07-27 Online:2022-11-01 Published:2022-11-03
  • Contact: Shuhui Li E-mail:1604739198@qq.com;27045899@qq.com
  • Supported by:
    National Natural Science Foundation of China(81960207)

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Abstract:

The emergence of nickel-titanium instruments for root canal preparation machine is a major milestone in root canal treatment, and the safety and efficiency of root canal preparation have been greatly improved. In recent years, the design of nickel-titanium instruments has undergone a series of changes and improvements to meet the clinical needs, and each design has its own characteristics. Understanding and being familiar with the performance and characteristics of nickel-titanium instruments for choosing appropriate instruments are important. This article focuses on the development of nickel-titanium instruments used in root canal preparation machine and reviews the progress on the changes in crystal structure, external structure improvement, safety, and efficiency to provide a reference for the selection of appropriate instruments for root canal preparation in clinical work.

Key words: nickel-titanium instrument, crystal structure, external structure, safety, efficiency

CLC Number: 

  • R 781.33

TrendMD: 

Fig 1

Rake angles"

Tab 1

Overview of glide path management"

器械名称公司和国家材质锥度尖端直径号数横截面运动模式系统类型
PathFlie[28-29]登士柏，美国传统镍钛合金0.0212#、16#、19#正方形连续旋转—
G-File[28,30]Besanc，法国传统镍钛合金0.03

G1：12#；

G2：17#

可变截面

非对称连

续旋转

—
Scout Race[28-29,31]FKG，瑞士传统镍钛合金0.0210#、15#、20#正方形连续旋转—
HyFlex GPF[28,31]康特，瑞士CM-Wire0.01、0.0215#（0.01、0.02）；20#（0.02）正方形连续旋转—
ProGlider[29,32-33]登士柏，美国M-Wire0.02~0.0816#正方形连续旋转单支锉
One-G[32]Micro-Mega，法国传统镍钛合金0.0314#不对称截面连续旋转单支锉
R-Pilot[33-34]VDW，德国M-Wire0.0412#S形往复运动单支锉
WaveOne Gold Glider[33]登士柏西诺德，美国CM-Gold-Wire0.02~0.0615#平行四边形往复运动单支锉
HyFlex EDM Glide Path[35]康特，瑞士CM-Wire0.0510#尖端方形，中部梯形，冠部三角形连续旋转单支锉
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