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The Biocompatibility of HA Film Deposition on Anodized Titanium Alloy
Kang Lee,Han-Choel Choe,Byung-Hoon Kim,Yeong-Mu Ko 한국표면공학회 2009 한국표면공학회 학술발표회 초록집 Vol.2009 No.10
A thin film hydroxyapatite (HA) films was deposited on anodized titanium by RF sputtering method. The anodized titanium enhanced the biocompatibility of the Ti and the bioactivity was improved further by the HA deposited on the anodized Ti. TiO₂ layer with 0.2 ~ 0.5 ㎛ diameter pore size was formed on the Ti surface by anodization. Anodized TiO₂ layer analysis HA film deposited, oxide pore size and number decreased compared with non-HA deposited surface. The corrosion resistance of HA deposited/anodized Ti was higher than that of the non-treatment Ti alloy in Hank’s solution, indicating better protective effect. From the results of cell culture using MTT assays, the best cell proliferation showed in HA deposited surface after anodization of Ti surfaces compared with another surface treatment.