A review of surface topographical modification strategies of 3Y-TZP: Effect in the physicochemical properties,microstructure, mechanical reliability,and biological response |
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Affiliation: | 1. Biomaterials, Biomechanics and Tissue Engineering Group (BBT), Department of Materials Science and Engineering, Universitat Politècnica de Catalunya (UPC) - BarcelonaTECH, 08019 Barcelona, Spain;2. Center for Structural Integrity, Reliability and Micromechanics of Materials (CIEFMA), Department of Materials Science and Engineering, Universitat Politècnica de Catalunya (UPC) - BarcelonaTECH, 08019 Barcelona, Spain;3. Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya (UPC) - BarcelonaTECH, 08019 Barcelona, Spain |
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Abstract: | The development of zirconia dental implants has become increasingly popular over the last years due to the outstanding mechanical properties, superior aesthetic appearance and high biocompatibility of this material. However, premature implant failure as a result of an incomplete osseointegration still represents a major concern. In this sense, surface modifications have been applied to dental zirconia to improve the biological interactions of the implant with the surrounding tissue. Nevertheless, surface modification of zirconia is challenging due to the formation of a monoclinic phase associated with ageing and loss of mechanical integrity. This review focuses on the most common surface topographical modification strategies currently applied to zirconia, namely grinding, sandblasting, chemical etching and laser treatment. A comprehensive and comparative analysis has been performed to assess the effects of these techniques on the physicochemical properties, mechanical performance, hydrothermal degradation behavior and biological response of the modified surfaces. |
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Keywords: | Zirconia Dental implants Surface treatment Physicochemical properties Biological response |
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