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1)  Root canal shaping
镍钛旋转器械
2)  Rotary Nickel-Titanium files
旋转镍钛器械
3)  nickel-titanium instruments
镍钛器械
4)  nickel-titanium instrument
镍钛器械
1.
Objective: To explore the effect of Hero642 rotary Nickel-Titanium instrument on the endodontic interappointment emergencies in old patients after molar root canal preparation.
方法:临床选取老年人磨牙138颗,随机分为2组,分别采用Hero642旋转镍钛器械(实验组)和手动不锈钢K锉(对照组)进行根管预备,比较两组根管预备后,患牙EIAE发生的情况。
5)  NiTi instruments
镍钛器械
1.
Objective: To evaluate clinical effects of rotary NiTi instruments in root canal therapy in the aged.
目的:探讨机用镍钛器械ProTaper在老年患者根管治疗中应用的临床效果。
6)  ProTaper NiTi instrument
ProTaper镍钛器械
1.
PURPOSE: To compare the incidence of EIAE among engine-driven ProTaper NiTi instruments, hand-used ProTaper NiTi instruments and stainless steel hand-used files in curved root canal preparation.
目的:比较机动和手用ProTaper镍钛器械与ISO标准锉预备弯曲根管后根管治疗期间急症和器械折断的发生情况。
2.
OBJECTIVE:To compare the incidence of EIAE among engine-driven Protaper NiTi instruments,hand-used Protaper NiTi instruments and stainless steel hand-used files in curved root canal preparation.
目的:比较机动和手用Protaper镍钛器械与ISO标准不锈钢器械预备弯曲根管后根管治疗期间急症和器械分离的发生情况。
3.
A comparison study on endodontic interappointment emergencies between protaper NiTi instruments and stainless steel hand-used files in curved root canal preparation
目的比较机动和手用Protaper镍钛器械与ISO标准不锈钢器械预备弯曲根管后根管治疗期间急症(EIAE)和器械分离的发生情况。
补充资料:旋转
分子式:
CAS号:

性质:将图像(或分子)绕一定轴线转动一定角度后能使图像复原的一类对称动作。旋转据以进行的轴线称作旋转轴,使图像绕轴后复原的最小转角称作基转角α。设α=2π/n,显然,旋转角为α整数倍的角度均能使图像复原,不难论证,在2π角度范围内独立、不等同旋转对称动作的种数为n。

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