PRF CGF Sticky bone and AFG….oh my Frios system by Dentsply Friadent Great article by Sohn describing different types PRP – platelet rich plasma (precursor PRF)  Marx 1998 1st generation PRGF – similar PRP – plasma rich in growth factors Anitua 2001 Second generation PRF – 2nd generation – platelet rich fibrin has many growth […]