根内延伸髓腔固位冠修复根管治疗后短冠左下第一磨牙1例  

A Case Report of Left Mandibular First Molar after Root Canal Treatment Restored by Modified Endocrown

作　　者：王琴秀 郭琪 郭冬梅 WANG Qinxiu;GUO Qi;GUO Dongmei(Department of Endodontics,Lanzhou Stomatological Hospital,Lanzhou 730000,China)

机构地区：[1]兰州市口腔医院牙体牙髓科,甘肃兰州730000

出　　处：《口腔医学研究》2025年第4期351-353,共3页Journal of Oral Science Research

基　　金：兰州市科技计划项目(编号:2021-1-126)。

摘　　要：(牙合)龈距离小于3 mm短冠磨牙修复难度较大,通常会采用桩核冠或髓腔固位冠修复,各有利弊。本文报道1例采用根内延伸髓腔固位冠修复2年效果良好的病例,并分析其原理、优势和缺点。The restoration of short-crown molars with a crown-to-gum distance less than 3 mm is challenging.Typically,either a post-core crown or a pulpal chamber retention crown is used,each with its own merits and drawbacks.In this case,a modified endocrown was applied and observed for two years to analyze its principles,advantages,and disadvantages.

关 键 词：根内延伸髓腔固位冠 短冠磨牙 根管治疗 修复 

分 类 号：R783.3[医药卫生—口腔医学]