To seek convenient and effective method for reconstruction of edentulous jaw, Maló and his colleagues de-veloped All-on-Four implant immediate-function concept. The principle of All-on-Four is to support the full-arch pros-thesis by 4 implants and to achieve immediate loading after surgery. Its advantages include avoiding additional bone grafting, evading critical anatomical structures and immediate prosthesis. In recent years, All-on-Four technique has been widely utilized in clinical practice as a viable approach for edentulous patients. With the auxiliary of guided sur-gery and biomechanical researches, All-on-Four has achieved predictable clinical results. In this paper, the develop-ment, investigation of biomechanics and main points of surgery and prosthesis of All-on-Four were briefly reviewed.%为寻求简便有效的无牙颌修复方法,Maló等人于2003年提出All-on-Four种植即刻修复概念,通过植入4颗种植体支持整个无牙颌修复重建,并于术后行即刻修复.All-on-Four种植即刻修复具有避免额外植骨手术、避开重要解剖结构及缩短缺牙时间等优势,近年在临床上得到广泛应用.随着外科引导技术及生物力学研究的发展,All-on-Four种植即刻修复获得了理想临床效果,已成为无牙颌患者种植固定修复的一种可行且可靠方案.笔者就All-on-Four概念发展、生物力学研究、外科和修复要点以及临床应用效果作一阐述.
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