目的:利用Cerec椅旁计算机辅助设计与制造(computer aided design and manufacture,CAD/CAM)与功能牙合道(functionally generated path,FGP)技术修复1例二氧化锆全冠,比较计算机在虚拟牙合架、生物再造、FGP技术下设计面的差异。方法:将16行标准牙体预备后,Cerec 4.4扫描预备体、对牙及咬合状态,并扫描制取的印模(FGP),在数字化设计中对上述3种模式进行设计,生成3种不同的咬合面。设计FGP二氧化锆全冠后,导出并切削,完成临床试戴、粘接。结果:在CAD中生成的3种模式牙合面存在差异,FGP最佳,生物再造次之,虚拟架最差。FGP技术指导设计可少量调,获得稳定的关系。结论:在椅旁CAD/CAM二氧化锆全冠修复中,可推荐使用FGP技术消除干扰。 OBJECTIVE: To use a computer aided design and manufacture (CAD / CAM) and functionally generated path (FGP) technique of Cerec chair to repair one case of zirconium dioxide crowns, Frame, bio-reengineering, FGP technology design noodle differences. Methods: Sixteen rows of standard dental preparation, Cerec 4.4 scan preparation, the fangs and occlusion state, and scanning the impression (FGP) made in the design of these three models in the digital design to generate three kinds Different occlusal surface. Design FGP Zirconia crown after the export and cutting, to complete the clinical trial wear, bonding. Results: There were differences among the three modes of occlusal surface occlusion generated in CAD. FGP was the best, followed by biologic rebuild, and the worst virtual frame. FGP technical guidance design can be a small amount of adjustment, access to a stable relationship. CONCLUSIONS: In the chairside CAD / CAM zirconium dioxide crown restoration, the FGP technique may be recommended to eliminate  interference.