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Materials 2010, 3(7), 3994-4050; doi:10.3390/ma3073994

Functional Coatings or Films for Hard-Tissue Applications

Biomaterials and Tissue Engineering Research Unit, School of AMME, The University of Sydney, Sydney 2006, Australia
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Received: 4 June 2010 / Revised: 23 June 2010 / Accepted: 7 July 2010 / Published: 9 July 2010
(This article belongs to the Special Issue Advances in Surface Coatings)
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Abstract

Metallic biomaterials like stainless steel, Co-based alloy, Ti and its alloys are widely used as artificial hip joints, bone plates and dental implants due to their excellent mechanical properties and endurance. However, there are some surface-originated problems associated with the metallic implants: corrosion and wear in biological environments resulting in ions release and formation of wear debris; poor implant fixation resulting from lack of osteoconductivity and osteoinductivity; implant-associated infections due to the bacterial adhesion and colonization at the implantation site. For overcoming these surface-originated problems, a variety of surface modification techniques have been used on metallic implants, including chemical treatments, physical methods and biological methods. This review surveys coatings that serve to provide properties of anti-corrosion and anti-wear, biocompatibility and bioactivity, and antibacterial activity.
Keywords: metal; corrosion; wear; bioactivity; biocompatibility; antibacterial; surface modification metal; corrosion; wear; bioactivity; biocompatibility; antibacterial; surface modification
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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Wang, G.; Zreiqat, H. Functional Coatings or Films for Hard-Tissue Applications. Materials 2010, 3, 3994-4050.

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