The semi-symposium was successfully held at Howard Johnson hotelin Sanya,Hainan. Prof. Wen Yong, Prof. Wang Qing, Chonghwa Kim,Kyungmo Lee and Yongku Heo, the CEO of Neobiotech gavelectures on sinus lift technique clinical hot issues, All-on-X treatment,implant posterior esthetic prosthesis, peri-implantitistreatment technique (T/R brush, FR Kit), and sinus case live surgery.