采用微弧氧化(MAO)方法对近β钛合金Ti-5Zr-3Sn-5Mo-15Nb(TLM)表面进行处理,分析其表面特性变化,并观察成骨细胞在其表面的早期粘附.结果显示微弧氧化处理可以在TLM表面形成一层多孔生物活性氧化层,增大其表面粗糙度并提高其表面湿润性和表面能,该效应与微弧氧化电压有关.此外,电解液中的Ca和P可以被整合到表面氧化层中且其含量随微弧氧化电压升高而增加.体外细胞培养实验发现成骨细胞在微弧氧化表面的早期粘附明显高于抛光表面.
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