In Vitro Study of Surface Treatment on Titanium and 316L Stainless Steel

• Main Authors: Hsin-Chen Wang, 王馨偵
• Other Authors: 薛文景
• Format: Others
• Language: zh-TW
• Published: 2007
• Online Access: http://ndltd.ncl.edu.tw/handle/9t33df

碩士 === 國立臺北科技大學 === 材料科學與工程研究所 === 95 === The most common metals used in orthopedics and dentistry are titanium metal or alloys and 316L stainless steel. The stainless Steel provides higher strength and rather economical cost for the implantation processes. However, usage of 316L stainless steels may be exposed to a process of corrosion in vivo that make them cytotoxic for implant tissues. The aim of this work is to propose a novel treatment of surface roughness with Ca / P / O / Ti active compound layer on G-2 commercial titanium metal and AISI 316L SS, in which the in-vitro beneficiation are effected. The evaluation of biocompatibility for specimens with or without surface treatments is into Hank′s solution for a 14 days period. The compound layer enhanced corrosion resistance and matured bone-like apatite. The MTT results of osteoblasts cells on the metallic substrates indicate that the active layer treated on stainless steel obtains a better cell proliferation and biocompatibility than that of untreated stainless steel.