preradical是什么意思

网络释义

用法例句

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

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

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

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。

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。

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

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。

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。

Shaping Ability of Nickel-titanium Instruments in Curved Root Canals Preparation;

镍钛根管预备系统预备弯曲根管的成形效果

Uses the CT Scanning and Establish Three-dimensional Model to Research the Differences in Using Different Root Canal Preparation Instruments for the Curving Root Canal;

不同根管预备器械对磨牙弯曲根管预备效果的CT研究

Comparison of ProTaper Crown-down Sequence and Hybrid Technique: Root Canal Preparation in Resin Stimulate Root Canal;

大锥度根管预备混合法在树脂弯曲根管中预备效率的研究

Micro-CT evaluation of root canal deviation after preparation

微焦点CT技术测定根管预备后根管偏移

The clinical results of root canal preparation using root canal lubrication

根管润滑剂在老年人根管预备中的作用

Clinical observation on the effects of three preparations in root canal therapy

三种根管预备方法对根管治疗效果的临床观察

Clinical effects evaluation of root canal therapy between two different preparation methods

两种根管预备方法根管治疗效果的临床观察

Research on mechanical property and tooth canal structure of tooth after RCT

根管预备后牙齿力学性能和根管结构的研究

Effects of Root Canal Preparation by FlexMaster Ni-Ti Rotary Instrument

FlexMaster镍钛器械根管预备效果研究

The Effects of Root Canal Preparation and Tampering on the Mechanical Characters of Tooth Root.;

根管预备与充填方法对牙根抗力性能的影响

The acute inflammation was related to the root preparation,root filling and periapical leision.

急性炎症与根管预备、根管充填、根尖周区骨质破坏程度有关。

Effect of diferent root canal preparation techniques on the apical sealing ability in typeⅡroot canals of maxillary first premolar

两种根管预备方法对上颌第一前磨牙Ⅱ型根管根尖封闭性的影响

Changes in Root Canal Geometry After Prepared with Different Instruments Assessed By Three-Dimentional Reconstruction

使用三维重建技术研究不同根管预备器械的预备效果

Efficiency of Rotary Nickel-titanium M2 Instruments, Rotary Nickel-titanium K3 Instruments Compared with Stainless Steel Hand K-file in Curved Root Canals

三种不同根管预备器械对弯曲根管的成形能力研究

Residual dentin thickness in upper anterior teeth after root canal preparation

上颌前牙三种不同方法根管预备后剩余根管壁厚度的研究

The application analysis of MTWO Nickel-titanium instruments in molar root canal therapy

MTWO镍钛根管预备系统在磨牙根管治疗中的应用分析

Comparison of Shaping Ability with Different Instruments in Preparing Curved Root Canals;

不同根管器械预备弯曲根管的效果比较

Clinical evaluation of Protaper Universal File in Root Canal Preparation

Protaper Universal手用镍钛根管锉预备根管的效果分析