CONCLUSION: the tooth type or tooth position, root curvature and calcification have significantly influenced the outcome of root canal treatment.
结论：根管治疗的失败与牙位(牙类型和牙位置)、根管弯曲度和钙化度密切相关。
I have a root canal filling in one of my teeth. The tooth is changing color. Can anything be done about it?
我有一颗牙在牙根管里补过。现在这颗牙变了颜色，有什么办法可以解决？
Methods Hemisections were performed on reserved canals of incomplete tooth fracture, complete root fracture and furcation involvement after root canal therapy.
方法选择隐裂、根折或根分叉病变患者，对欲保留牙根进行根管治疗后，行半牙切除术。
Objective to evaluate the validity of simulated resin transparent tooth models used in the pre-clinical practice training of root canal therapy.
目的评价在根管治疗术的临床前操作训练中树脂透明牙模型的作用和效果。
After perfect root canal therapy to the residual root and crown of the front tooth, it is the main repair method to utilize a post and core crown at present.
前牙残根残冠经过完善的根管治疗后，利用桩核冠修复在目前是主要的修复方法。
Thickness of the tooth body; Root canal therapy; Research.
牙体壁厚度；根管疗法；研究。
For the front teeth, if of tooth mass enough to keep, can consider not doing false teeth after root canal therapy done, simple filling.
对于前牙而言，若保留的齿质够多，做完根管治疗后可以考虑不做假牙，简单的填补即可。
Done root canal treated teeth, dentists will advise the Crown usually set up and finished the treatment of teeth, tooth mass amount of reservation, also affect whether column needs to be done.
做完根管治疗的牙齿，牙医师通常会建议做牙冠套起来，而做完治疗的牙齿，齿质保留的多寡，也影响是否需做柱心。
If teeth tooth decay before boring to the dental pulp cavity, because root canal treatment technology was not developed teeth almost to escape the pull of fate.
以前如果牙齿蛀牙蛀到牙髓腔，由于当时根管治疗的技术并不发达，牙齿几乎难逃拔掉的命运。
Objective: To evaluate the clinical of using prefabricated cylindrical root canal pin to lengthen the clinical crown and restoring anterior tooth and premolar defect with PFM.
目的：评价应用预成圆柱形根管钉对前牙牙体缺损患者冠再接后烤瓷修复体的临床效果。
Our lab recently developed a reliable and user-friendly plasma jet device, which can generate plasma inside the root canal of a tooth.
最近我们实验室研制了一种在牙齿根管内部能产生等离子体喷流的装置，此装置安全可靠且极易操作。
When do root canal treatment, removal of tooth mass and the more conservative, the better to keep the more ivory.
在做根管治疗时，齿质的去除愈保守愈好，以便保留多一些齿质。
Root canal treatment and finished tooth, lost in the pulp cavity nutrition supplies such as nerves, blood vessels, lymphatic, makes itself become more brittle fracture of teeth.
且做完根管治疗的牙齿，失去了牙髓腔中神经、血管、淋巴等营养供应，使得牙齿本身变得较脆易断裂。
It is conventionally performed through a hole drilled into the crown of the affected tooth, namely orthograde root canal therapy.
根管治疗手术通常通过在受影响的牙齿牙冠中钻孔完成，即矫正根管治疗。
Abstract: Objective: to explore the influence on micro leakage from root tip and tooth root's bending strength by different combinations of root canal preparation and filling technology.
摘要【摘要】目的探讨几种根管预备方法和充填技术组合对根尖微渗漏和牙根抗折强度的影响。
CONCLUSION: The tooth pulp diseases could be accurately diagnosed by applying helical CT and its 3D reconstrution methods, which could improve the diagnosis and treatment of complex root canal.
结论：应用螺旋CT及其三维成像技术，可对复杂的矸髓系统病变进行准确诊断，有效提高临床医生对复杂髓腔系统病变的诊断和治疗。
Conclusion: The defect treatmen of glass fiber post in a single premolar tooth root canal can achieve satisfactory results.
近年来，作者采用玻璃纤维桩进行前磨牙牙体缺损的修复，取得了良好的临床效果。
Conclusion: The defect treatmen of glass fiber post in a single premolar tooth root canal can achieve satisfactory results.
近年来，作者采用玻璃纤维桩进行前磨牙牙体缺损的修复，取得了良好的临床效果。
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