Abstract
The modifications of implant surfaces are known to enhance their osseointegration potential. The objective of this study was to develop an efficient method of increasing surface roughness with a low energy pulsed ultraviolet (UV) laser. The UV laser treatment was applied on six titanium alloy (Ti–6Al–4V) disks with machined surfaces and a commercially available implant to offered a favorable surface topography for osseointegration. Three-dimensional confocal laser-scanning microscopy was used to observe the surface structures. Osteogenic cells were grown on the Ti–6Al–4V surfaces to assess their biocompatibility. The investigators found that the surface roughness obtained with the UV laser was similar to other SLA surfaces previously described. In addition, the UV laser-ablated surfaces exhibited significant texturing in surface topography and sustained osteogenic cells growth on the treated surfaces.
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