龋病所致的残冠在临床工作中较常见，治疗的方法多种多样，本文介绍一种利用自攻自断钉固位，光固化树脂成形，无缝冠修复，恢复患牙形态及功能。我科3年中对3O例对颗患牙利用本法治疗修复，术后追踪观察效果稳定，现报告如下。1临床资料一般资料：1994年6月-1997年3月，我科共 Residual crowns caused by dental caries are more common in clinical practice, the treatment of a variety of ways, this article describes a use of self-tapping and self-retaining staple, light-cured resin, seamless crown repair, restoration of tooth morphology and function . 3 years in our department on the 3O cases of teeth on the use of the treatment of prostatitis, postoperative follow-up observation of stable results are as follows. 1 Clinical data General information: June 1994 - March 1997, our department a total of