Biologic fixation uses possibly porous coated metallic surface to promote bone in progress or grit-blasted floor to permit bone on progress. The prosthesis will also be coated in hydroxyapatite, that is an osteoconductive agent. THA prosthetic designs have been evolving since the late 1800s when Dr. Themistocles Gluck continuously experimented https://tha45432.webbuzzfeed.com/32685275/tha-an-overview