Bioactive treatment promotes osteoblast differentiation on titanium materials fabricated by selective laser melting technology

Dental Materials Journal
Masako TsukanakaShuichi Matsuda

Abstract

Selective laser melting (SLM) technology is useful for the fabrication of porous titanium implants with complex shapes and structures. The materials fabricated by SLM characteristically have a very rough surface (average surface roughness, Ra=24.58 µm). In this study, we evaluated morphologically and biochemically the specific effects of this very rough surface and the additional effects of a bioactive treatment on osteoblast proliferation and differentiation. Flat-rolled titanium materials (Ra=1.02 µm) were used as the controls. On the treated materials fabricated by SLM, we observed enhanced osteoblast differentiation compared with the flat-rolled materials and the untreated materials fabricated by SLM. No significant differences were observed between the flat-rolled materials and the untreated materials fabricated by SLM in their effects on osteoblast differentiation. We concluded that the very rough surface fabricated by SLM had to undergo a bioactive treatment to obtain a positive effect on osteoblast differentiation.

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Citations

Aug 21, 2020·Journal of Biomedical Materials Research. Part B, Applied Biomaterials·Mariana Lima da Costa ValenteAndréa Cândido Dos Reis
Dec 2, 2020·Materials Science & Engineering. C, Materials for Biological Applications·Bing RenYong Huang
Dec 17, 2020·Materials Science & Engineering. C, Materials for Biological Applications·Anne BernhardtUte Botzenhart
Jun 2, 2020·Dental Materials : Official Publication of the Academy of Dental Materials·Jae-Heon KimHae-Hyoung Lee

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