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Title: Preparation and properties of plasma electrolytic oxidation coating on sandblasted pure titanium by a combination treatment. Author: Wang HY, Zhu RF, Lu YP, Xiao GY, Zhao XC, He K, Yuan YF, Li Y, Ma XN. Journal: Mater Sci Eng C Mater Biol Appl; 2014 Sep; 42():657-64. PubMed ID: 25063166. Abstract: Plasma electrolytic oxidation (PEO) is one of the most applicable methods to produce bioceramic coating on a dental implant and sandblasting is a primary technique to modify metal surface properties. This study aims to deposit bioceramic Ca- and P-containing coatings on sandblasted commercially pure titanium by PEO technique to improve its bioactive performance. The time-dependent modified surfaces are characterized in terms of their microstructure, phase, chemical composition, mechanical properties and bioactivities. The results show that the combination-treated coating exhibits better properties than the PEO-treated one, especially in bioactivities, as evidenced by the HA formation after immersion in simulated body fluid (SBF) for 5 days and the cell viability after seeding for 1 or 3 days. The enhancement of the modified surface is attributed to a combination of the mechanical sandblasting and the microplasma oxidation.[Abstract] [Full Text] [Related] [New Search]