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Blood responses to titanium surface with TiO2 nano-mesh structure.

Abstract：

OBJECTIVES:The goal of this study was to enhance the blood responses to titanium (Ti) surfaces used for dental implant application through the formation of a TiO2 nano-mesh surface layer produced by a fast electrochemical anodization treatment. MATERIAL AND METHODS:Electrochemical anodization treatments with different anodization currents and temperatures in an alkaline solution were used to create a nano-mesh oxide layer on polished Ti surface. Surface characterizations of the mesh structure were carried out using thin-film X-ray diffractometer, field-emission scanning electron microscope, and atomic force microscope. The blood responses, including the blood-clotting ability and platelet adhesion morphology, to the test Ti surfaces were evaluated. The blood-clotting ability, in terms of optical density of blood, was statistically analyzed using a nonparametric method, Kruskal-Wallis test, for the factor of anodization treatment. RESULTS:A multilayer TiO2 nano-mesh structure was rapidly formed on the polished Ti surface using a simple electrochemical anodization treatment in an alkaline solution. The TiO2 nano-mesh had an average mesh size between 34 and 93 nm, depending on the anodization current and temperature. The features on the TiO2 nano-mesh structure on the anodized Ti surface were of a similar size scale as blood proteins, giving the material better blood clot ability (P<0.05) and improved platelet activation and aggregation as compared with an untreated polished Ti surface. CONCLUSIONS:The formation of TiO2 nano-mesh on the Ti surfaces was shown to enhance blood responses, which we expect to promote cell growth in the application of dental implants.

journal_name

Clin Oral Implants Res

journal_title

Clinical oral implants research

authors

Huang HH,Chen JY,Lin MC,Wang YT,Lee TL,Chen LK

doi

10.1111/j.1600-0501.2010.02152.x

subject

Has Abstract

pub_date

2012-03-01 00:00:00

pages

379-83

issue

3

eissn

0905-7161

issn

1600-0501

journal_volume

23

pub_type

杂志文章

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