关于根管桩材料和设计的研究已日益成熟。
The material and design of root canal post has already been well investigated.
结果随着碳纤维含量的增加，根管桩的弯曲强度和剪切强度均逐渐增加。
Results the transverse strength and shear strength were increased with the increase of the carbon fiber content.
结论加强纤维复合树脂桩核的强度高，色泽好，操作方便，可作为根管桩核材料在临床应用。
Conclusion Reinforced Fiber Composite Resin dowel cores have the advantage of high strength and good color, they are easy to operate and can be used clinically as root canal dowel cores.
目的：本实验主要研究不同螺旋输送器、根管数目和操作者熟练度对桩核印模成功率的影响。
Objective:The aim of this stud was to evaluate the effect of types of lentulo the numble of root canals and operator's skill on the success rate of post impression.
目的：探讨采用DMG枪式硅橡胶印模材料制取桩核根管印模的应用及护理配合体会。
Objective: To study the effect of DMG polysiloxane impression material in the restoration of the post and core crown.
纤维桩：依照厂商说明使用预成钻和完成钻进行根管预备。金属桩：对桩的表面喷砂。
FIBER post: Prepare the root canal with the Pre-Shaping and Finishing drills, according to manufacturer's instructions. METAL post: Sandblast the surface of the post.
方法分别制作两种桩核冠修复体比较其桩核折断、根管折断、桩松动脱落、颈缘等情况。
Methods:Two kinds of pile nuclear crown prosthesis were made and the break of pile nuclear and root canal, the fall off of the pile and cervical margin were compared.
方法：从6颗离体的形态正常的人右下颌第一磨牙中，选取密合度最好且形态接近临床要求的1颗进行根管治疗，制作制锁式的带桩嵌体修复体。
METHODS: 1 of the 6 first mandibular molars on the right side with normal morphology in vitro was selected for pulpectomy, which was the best in density and near to clinical requirement in morphology.
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。
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.
目的采用不平行就位道桩核烤瓷冠修复磨牙残根残冠多根管。
Objective To repair the residual roots and crowns of the molars with multi-canals using unparalleled posts and cores and ceramic crowns.
结论：对于根管弯曲、分叉大、髓室大、C型根管的磨牙，银汞桩核技术有着明显的优势。
Conclusion: Amalgam post and core technique is conservative in restoring molars for its curved root canal, big root furcation, C-shaped root canal and large pulp chamfer.
前言：目的：探讨一种改良核桩根管取模法的应用及临床意义。
Objective: the purpose of this study was to investigate the application and clinical significance of taking dental impression with an improved method.
方法选择92例患者的105颗磨牙折裂，完成牙体根管治疗，桩核制作并进行金属全冠或烤瓷全冠修复。
Methods 105 fracture molar teeth in 92 patients, treated pulp normally fulled and fixed it and then repair the whole coronary.
方法选择92例患者的105颗磨牙折裂，完成牙体根管治疗，桩核制作并进行金属全冠或烤瓷全冠修复。
Methods 105 fracture molar teeth in 92 patients, treated pulp normally fulled and fixed it and then repair the whole coronary.
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