成品钛桩与铸造金属桩核性能及临床应用的比较 - 现代仪器与医疗.pdf

综述专论 2015年  第21卷   第2期 成品钛桩与铸造金属桩核性能及临床应用的 比较 苏畅　张晓螣综述　孟玉坤校审 （华西口腔医院固定修复科，口腔疾病研究国家重点实验室(四川大学) ，四川成都　610041 ） [摘　要]　随着根管治疗技术和修复方法发展，残冠残根保留病例增多。通过在残根残冠中置入桩核 再进行冠修复，已成为后牙牙体缺损主要修复方式。临床上常用桩核系统包括传统铸造金属桩核系统 和操作简便成品桩核系统。本文将成品钛桩与铸造金属桩核进行比较，对其相关性能与临床应用状况 作一综述。 [关键词]　桩核系统；铸造金属桩；成品钛桩；弹性模量；固位力 中图分类号：R782　文献标识码：A　文章编号:2095-5200(2015)02-016-04 DOI：10.11876/mimt201502006 The Comparison of the Mechanical Properties and Clinical Application between the Cast Metal Posts and Prefabricated Titanium Posts SU Chang ZHANG Xiao-teng MENG Yu- 　 ， ， kun. (State Key Laboratory of Oral Diseases, Dept. of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, P.R. China) [Abstract]　With continuing developments made in endodontic therapy and restorative procedures, an ever increasing number of residual root and crown of posterior tooth can be retained. Posts and cores are widely used to restore endodontically treated teeth that have insufficient coronal tooth structure. These devices vary from a conventional custom cast post and cores to one-visit techniques, using commercially available prefabricated post systems. Therefore, the purpose of this article is to review the literature to compare the mechanical properties and clinical application between the cast metal posts and prefabricated titanium posts. [Key words] post and core system cast metal posts prefabricated titanium posts module of elasticity 　 ； ； ； ； retention 目前，临床常用牙冠大面积破坏遗留残根残冠 持结构。桩是粘固在患牙根管内用于获得桩核固位部 修复包括根管内附着体、桩核冠等修复方式。通过在 分，核是连接固定于桩之上，与牙冠剩余牙体硬组织 [2] 残根残冠中置入桩核再进行冠修复，可以实现残根残 一起形成全冠预备体部分 。 冠高质量修复重建。临床上桩核冠常用根桩包括预成