Surface microtexturing of Ti-6Al-4V using an ultraviolet laser system

被引：26
作者：
Hsiao, Wen-Tse [1 ]
Chang, Han-Chao [1 ]
Nanci, Antonio [2 ]
Durand, Robert [3 ]
机构：
[1] Natl Appl Res Labs, Instrument Technol Res Ctr, Hsinchu, Taiwan
[2] Univ Montreal, Fac Med Dent, Lab Study Calcified Tissues & Biomat, Montreal, PQ, Canada
[3] Univ Montreal, Fac Med Dent, Montreal, PQ H3C 3J7, Canada
来源：
MATERIALS & DESIGN | 2016年 / 90卷
关键词：
Ultraviolet laser; Micro-groove; Dental implant; Osteogenic cells; Titanium alloy; TITANIUM IMPLANT MATERIAL; IN-VIVO; OSSEOINTEGRATION; HYDROXYAPATITE; CELLS;
D O I：
10.1016/j.matdes.2015.11.039
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
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 obtainedwith 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. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：891 / 895
页数：5
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