1) Retrograde preparation
根管倒预备
2) Retropreparation
根尖倒预备
1.
Objective: (l)To compare the difference between ultrasonic instruments and traditional slow-speed handpiece in retropreparation(2)to evaluate the ultrasonic instruments effecting on canal isthmus (3)to evaluate the feasibility, advantages and disadvantages of ultrasonic instruments on posterior teeth in root-end preparation.
目的:(1)比较超声波倒预备技术与传统倒预备技术后牙根尖倒预备的差异;(2)研究超声波倒预备技术对根管峡部的清理和成形效果;(3)评价超声波根尖倒预备技术在后牙的可行性与优缺点。
3) Root canal preparation
根管预备
1.
Clinical observation between ProTaper nickel-titanium hand-file and stainless steel H file in root canal preparation;
手用ProTaper镍钛锉与不锈钢H锉根管预备的临床疗效
2.
Comparison of stress distributions in dental roots after root canal preparation with 3 different instruments;
三种根管预备方法对根部牙体组织应力分布影响的三维有限元分析
3.
A comparison of clinical effects of ProFile flexible nickel titanium file with that of ISO standard file in root canal preparation;
ProFile机动镍钛锉与ISO标准锉根管预备的临床效果比较
4) root canal therapy
根管预备
1.
One week after root canal therapy the teeth were completed with multi-times method,the selected root canals were placed with the post,and the teeth .
方法:102例病人随机分为2组,对照组50例,采用普通不锈钢器械进行根管预备,多次法完成根管治疗术,观察1周无症状后加根管钉,树脂或银汞合金修复;实验组52例,采用手用ProTaper预备根管,其他步骤与对照组相同。
2.
Application of sonic instrumentation in root canal therapy;
声波根管预备作为一种治疗手段用于牙髓病、根尖周病的治疗取得了一定的疗效。
5) canal preparation
根管预备
1.
The clinical evaluation of root canal preparations by ProTaper Nikel-Titanium rotary files in primary teeth.;
ProTaper机动镍钛锉在乳牙根管预备中的应用
2.
Objective Curved canal preparation is much difficult in root canal therapy(RCT).
比较两组预备方法在根管预备中及预备后达到根管工作长度的例数。
3.
Objective To summarize a method of canal preparation of crooked root canal by manual appliances.
目的 总结一套利用手用器械对弯曲根管进行根管预备的方法。
6) root-end preparation
牙根尖倒预备
1.
Microcracks associated with ultrasonic root-end preparation;
超声牙根尖倒预备技术与微裂
补充资料：士兵预备役(见预备役)
士兵预备役(见预备役)
reserve duty of the enlisted
shibing yubeiyt士兵预备役(resery。du:y。fthe enlisted)见预备役。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条