... , effective chew-helping. 2.No pressure to tissue Implant is a brand new technique based on PFM and ... and US already. In Europe and U.S., dentist will suggest implant restorations in 80% of cases, and the ... actual implant rate is around 70%. But in China, ... only a few universities and clinics make implant. A simple explanation of implant would be, put man-made abutment into ...