摘要
根管治疗术完成后根管系统冠根方的严密封闭可清除根管内绝大部分感染源,彻底切断感染途径,确保根管治疗术的远期疗效;而冠方和(或)根方封闭不良,病原微生物及其代谢产物可通过封闭材料与根管壁之间的微隙渗漏进入根尖周组织导致根管治疗术失败。本文就冠根方封闭效果与根管治疗术远期疗效的相关性,冠方与根方封闭的关系及其影响因素,根管封闭的研究方法等方面的研究现状作一综述。
A hermetic coronal and apical sealing of root canal system during the root canal treatment can avoid most infection or reinfection of the periapical tissue, and insure the success of root canal treatment in a long term. Endodontic failure may be the result of incomplete obturation, because the microorganisms and their metabolized substances penetrate through the gap between obturation materials and the wall of root canals. This is a review about the relationship between complete obturation and the long term success of root canal treatment, and the influenced factors of apical sealing and coronal restorations.
出处
《牙体牙髓牙周病学杂志》
CAS
2007年第5期296-300,共5页
Chinese Journal of Conservative Dentistry
关键词
冠封闭
根方(尖)封闭
根管治疗术
冠渗漏
根尖渗漏
coronal sealing
apical sealing
root canal therapy
coronal leakage
apical leakage
