[Surface modifications of implants. Part 1 : Material technical and biological principles]
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Published on: June 24, 2018
1Klinik für Orthopädie und Unfallchirurgie, Universitätsklinikum Essen, Universität Duisburg-Essen, Hufelandstr. 55, 45147, Essen, Deutschland. sekretariat-uc_oc@uk-essen.de.
Abstract:
The biological effects of implants in vivo are not only dependent on the implantation site and patient-specific factors but are also influenced by the physicochemical composition and the surface topography of the biomaterial. In cases of permanent implants applied to bone, primary stability, the promotion of rapid osteointegration and antimicrobial properties of the implant are strived for; however, surface modifications are also found on biomaterials which only temporarily come into contact with tissue. These include not only osteosynthesis materials, jig or implant templates but also surgical instruments. This article summarizes the relevant technical principles of materials for the assessment of implant surfaces. Besides technical material-specific and biological principles, different surface modifications for targeted clinical applications are presented. Furthermore, current developmental strategies are outlined.
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