Abstracts of the General Sessions of the Japanese Society for Dental Materials and Devices
53rd General Session of the Japanese Society for Dental Materials and Devices
Session ID : A-08
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Host: The Japanese Society for Dental Materials and Devices

XAFS analysis of corrosion product of Ni-Ti alloy and stainless steel in soft tissue
*Motohiro Uo, Tsukasa Akasaka, Shigeaki Abe, Fumio Watari
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Abstract
Ti, a Ni-Ti alloy and stainless steel (SUS304) were implanted in rat soft tissues for 6 months. The chemical states of the component elements contained in the tissues surrounding those metallic implants were analyzed by the fluorescence X-ray absorption fine structure (XAFS) method. Titanium oxide and a Ni aquo complex, which would be caused by the erosion of Ti and Ni, were detected in the surrounding tissues. Thus, the dissolved conditions and concentrations of those practical metallic materials in vivo were successfully confirmed.
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© 2009 by The Japanese Society for Dental Materials and Devices
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