Mitra Radmanesh, Amirkianoosh Kiani

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Department of Mechanical Engineering, University of New Brunswick, Fredericton, Canada.
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Abstract: Generally, materials with high biocompatibility are more appropriate for bone and tissue transplant applications, due to their higher effectiveness in the healing process and infection problems. This study presents the effects of laser surface texturing on the surface topography properties, roughness, and wettability of thin titanium sheets, which consequently enhance the biocompatibility of this material. Creating line patterns across the surfaces, the titanium samples are prepared using variety of laser parameters. The apatite inducing ability of each sample is tested through the use of simulated body fluid (SBF). The final biocompatibility level of titanium samples is analyzed through wettability, surface angle measurements, and average surface temperature profile. Overall, the effects of laser parameter, pulse numbers, upon the biocompatibility of titanium are thoroughly examined, with results indicating that a scanning speed of 100 μm/ms results in desirable bone type apatite inducing abilities across the surface of treated titanium sheets.

Keywords: Laser Surface Micro Texturing, Titanium, Implant, Biocompatability, Hydroxyapatite Deposition

Cite this paper: Radmanesh, M. and Kiani, A. (2015) Effects of Laser Pulse Numbers on Surface Biocompatibility of Titanium for Implant Fabrication. Journal of Biomaterials and Nanobiotechnology, 6, 168-175. doi: 10.4236/jbnb.2015.63017.

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