To explore the proper method of producing composite resin post and core.
探索复合材料桩钉的成型方法。
The ferrule effect is influenced by elastic modulus of post and core materials.
箍效应受桩核材料弹性模量的影响。
The remaining of the residual roots and crowns in anterior teeth need to be treated with post and core.
前牙残根残冠的保存和修复在临床上多见，治疗一般采用桩冠修复。
Objective: To observe the clinical result of the method of combined impression used in post and core PFM crowns.
目的：观察琼脂类和藻酸盐类印模材联合印模法在桩核烤瓷冠中的应用效果。
Objective: To study the effect of DMG polysiloxane impression material in the restoration of the post and core crown.
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 investigate the clinical effect of cast post and core on the restoration of large area defects of tooth.
目的探讨铸造桩核修复牙体大面积缺损的临床疗效。
Objective: to investigate the effect of cast post and core on the restoration of premolars and molars of extensive loss.
目的：探讨铸造金属桩核在后牙牙体大面积缺损修复中应用的临床疗效。
In cast metal post and core group 4 teeth were found root fracture, 3 cast metal post and core were loose and 8 teeth were with gingival grey line.
而铸造金属桩核组发生根折4颗、铸造金属桩核脱落3颗，出现牙龈色素沉着8颗。
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。
Objective To investigate the clinical effect of the carbon fiber reinforced composite resin (CFRC) post and core, and to summarize the indication of CFRC post in clinic.
目的观察自主研制的高强度碳纤维预成桩的临床应用效果。
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.
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。
Conclusions the key of nursing is to have an intimate knowledge of the characteristics of new materials as well as operation procedure during fabricating cast post and core.
结论在取模、制备铸造桩按过程中，护理配合的关键在于熟悉新材料特性和操作步骤。
To investigate the effect of various post and core materials on stress distribution of ferrule effect in post crown, and to evaluate the biomechanics mechanism of ferrule effect in post crown.
研究桩冠修复中不同桩核材料对箍效应的应力分布影响，探讨箍效应的生物力学机制。
You can have a different core belief and you can discover it after answering a few questions in this post.
你可以拥有一个完全不同的核心信念，当你思考完本文所提出的几个问题后你就可以发现它。
Global economic issues are among the core elements of post-Cold War international relations and like other countries we give priority attention to these issues.
全球经济问题在冷战后的国际关系处于中心位置，我们同其他国家一样对这 些问题给予优先考虑。
Therefore, in the post carding stage the first core business process analysis, modular collection and classification description.
因此在岗位梳理阶段首先进行了核心业务流程梳理、模块化归集和分级描述。
Jacobson's method involves a set of entry and exit criteria called pre-conditions and post-conditions respectively, and a core criteria called the flow of events.
Jacobson的方法涉及一系列进入和退出的准则，分别被称作前置条件和后置条件，和一个称为事件流的核心准则。
Methods: The residual crown and root of large furcation molars by full root-fill were chosen. Then casting anatomy bolt post-core molars are restored with finely casting full crowns.
方法：选择牙根分叉较大的磨牙残冠残根，经完善根管充填后，制作分体栓道式铸造桩核，然后精密铸造金属全冠修复。
Objective To compare the fracture resistance and fracture modes of teeth restored with four diferent post-and-core systems.
比较纤维桩核系统和金属铸造桩核系统修复后牙体组织的抗折裂强度和折裂模式。
Objective:To introduce a new prefabricated post-and -core system, a helical drilling bit and a prefabricated post-and -core consisting of a root canal orifice bur which was designed by the author.
目的：介绍一种由螺旋型根管钻、自行设计的根管口台阶状车针、预成桩核组成的预成桩核系统。
Stable retention is one of the most important factors in the use of fiber post and resin core system. Many scholars have researched into factors which might affect the retention of this system.
纤维树脂桩核成功应用于临床的重要保证之一是可靠的固位，因此，学者们对纤维树脂桩核的固位进行了大量的研究。
This article reviews studies published recently about the retention of fiber post and resin core system.
本文就近年来有关纤维树脂桩核固位的研究作一综述。
Try for clinic and examine the suitablity, compression and stability of post-core.
临床试戴，检查桩核的就位性、密合性、固位性。
Objective: Comparing of clinic using of prefabricated screw and cast metal post-and-core of posterior tooth.
目的：比较后牙成品螺纹桩核与铸造桩核的临床应用比较。
Methods: Comparing of strength and retention of prefabricated screw and cast metal post-and-core of posterior tooth after 5 years using.
方法：通过5年的使用观察，比较成品螺纹桩核与铸造桩核固位力和核的强度。
Methods: Comparing of strength and retention of prefabricated screw and cast metal post-and-core of posterior tooth after 5 years using.
方法：通过5年的使用观察，比较成品螺纹桩核与铸造桩核固位力和核的强度。
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