主题：医学翻译资料415 ... root facer 牙根面锉 root forceps 牙根钳 root gouge 牙根圆凿 ...
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SEM analysis results also indicate that the ultrasonic fatigue cracks of the nickel-titanium endodontic files under the flexural conditions originate from the outer surface of curved potion of the files.
SEM断口分析结果也表明，镍钛根管锉在弯曲条件下的超声疲劳裂纹往往起源于其弯曲部分的外表面。
参考来源 - 镍钛根管锉超声疲劳行为及其机理研究·2,447,543篇论文数据，部分数据来源于NoteExpress
目的：观察不同根管锉预备根管及不同面充填物对前磨牙牙体抗折强度的影响。
Objective: to observe the effects of different root canal file and the restoration of occlusal surface on the fracture resistance of premolars.
目的：比较手用不锈钢锉，镍钛合金机用锉和超声根管锉在根管预备后的临床效果。
Objective: To compare the clinical effects after root canal preparation with hand use stainless steel file, nickel titanium alloy engine file and root canal ultrasonic file.
自然频率分析法的结果显示，不同制造方式的镍钛合金根管锉，在经过使用后会 有不同幅度的下降以及长度的增加量，因此可以将这种检测方式应用在临床上。
These results demonstrate that the RF analysis tests have potential as a tool for structural detection in Ni-Ti instruments and that the method presented is feasible for clinical application.
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