Abstract
The ability of osseointegration of implants is an important factor in ensuring the long-term stability of bone implants in their recipient sites. In this paper, Ti-M titanium alloys with different surface micro-area potential difference (MAPD) were prepared and the adhesion, proliferation, spreading, and differentiation behavior of osteoblasts (MC3T3) on the surface of Ti-M alloy were investigated in detail to reveal the effect of MAPD on cell compatibility and osteogenic differentiation. The results showed that the alloy with high MAPD exhibited facilitated bone differentiation, demonstrating that MAPD significantly enhanced the alkaline phosphatase activity and mineralization ability of osteoblasts, and upregulated the expression of osteogenic differentiation-related factors. It is suggested that it might be a strategy to promote the surface bioactivity of titanium alloy by adjusting the surface MAPD.
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