The implant prosthesis has been extensively used in clinic recently, and implant failure is appearing. Many factors may cause the failure, and they work together generally. This paper summarizes and analyzes the failure cases related to implant treatment and relevant risk factors of oral implants in Department of Implantation, School of Stomatology, The Fourth Military Medical University during the past six years, in order to improve the success rate of implant prosthesis and provide guidance for clinical application.
目前，种植修复已在口腔临床广泛开展，种植失败与之相伴。造成种植失败的原因有很多，甚至是多种因素共同作用导致种植失败。本文总结并分析第四军医大学口腔种植科6年间出现的种植失败病例及风险因素，以期为临床提高种植修复成功率提供参考。.
Keywords: Dental implantation; Risk factors; Treatment failure.