Preparation of bioactive titania films on titanium metal via anodic oxidation

IMR OpenIR

	Preparation of bioactive titania films on titanium metal via anodic oxidation
	X. Cui; H. M. Kim; M. Kawashita; L. Wang; T. Xiong; T. Kokubo; T. Nakamura
	2009
发表期刊	Dental Materials
ISSN	0109-5641
卷号	25 期号:1 页码:80-86
摘要	Objectives. To research the crystal structure and surface morphology of anodic films on titanium metal in different electrolytes under various electrochemical conditions and investigate the effect of the crystal structure of the oxide films on apatite-forming ability in simulated body fluid (SBF). Methods. Titanium oxide films were prepared using an anodic oxidation method on the surface of titanium metal in four different electrolytes: sulfuric acid, acetic acid, phosphoric acid and sodium sulfate solutions with different voltages for 1 min at room temperature. Results. Anodic films that consisted of rutile and/or anatase phases with porous structures were formed on titanium metal after anodizing in H(2)SO(4) and Na(2)SO(4) electrolytes, while amorphous titania films were produced after anodizing in CH(3)COOH and H(3)PO(4) electrolytes. Titanium metal with the anatase and/or rutile crystal structure films showed excellent apatite-forming ability and produced a compact apatite layer covering all the surface of titanium after soaking in SBF for 7 d, but titanium metal with amorphous titania layers was not able to induce apatite formation. Significance. The resultant apatite layer formed on titanium metal in SBF could enhance the bonding strength between living tissue and the implant. Anodic oxidation is believed to be an effective method for preparing bioactive titanium metal as an artificial bone substitute even under load-bearing conditions. (C) 2008 Academy of Dental Materials. Published by Elsevier Ltd. All rights reserved.
部门归属	[kawashita, m.] tohoku univ, ctr res strategy & support, aoba ku, sendai, miyagi 9808579, japan. [cui, x.; wang, l.; xiong, t.] chinese acad sci, inst met res, shenyang 110016, peoples r china. [kim, h. -m.] yonsei univ, sch adv mat engn, dept ceram engn, seoul 120749, south korea. [kokubo, t.] chubu univ, coll life & hlth sci, dept biomed sci, aichi 4878501, japan. [nakamura, t.] kyoto univ, grad sch med, dept orthoped surg, sakyo ku, kyoto 6068507, japan.;kawashita, m (reprint author), tohoku univ, ctr res strategy & support, aoba ku, sendai, miyagi 9808579, japan;m-kawa@ecei.tohoku.ac.jp
关键词	Titanium Anodic Oxidation Rutile Anatase Apatite Simulated Body-fluid Oxide-films Apatite Formation Heat-treatments Surface Anodization Deposition Implants Coatings Ability
URL	查看原文
WOS记录号	WOS:000262536400013
引用统计	被引频次：171[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/31859
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	X. Cui,H. M. Kim,M. Kawashita,et al. Preparation of bioactive titania films on titanium metal via anodic oxidation[J]. Dental Materials,2009,25(1):80-86.
APA	X. Cui.,H. M. Kim.,M. Kawashita.,L. Wang.,T. Xiong.,...&T. Nakamura.(2009).Preparation of bioactive titania films on titanium metal via anodic oxidation.Dental Materials,25(1),80-86.
MLA	X. Cui,et al."Preparation of bioactive titania films on titanium metal via anodic oxidation".Dental Materials 25.1(2009):80-86.