Surface Properties and Biocompatibility of Nitrided Titanium for Abrasion Resistant Implant Materials
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概要
- 論文の詳細を見る
Corrosion, other related properties and biocompatibility of surface nitrided titanium were investigated to examine its possible use as an abrasion resistant implant material. The nitrided layer about 2μm thick composed of TiN and Ti_2N was formed on titanium by a gas nitriding method. The dissolved amount of titanium ion in SBF was as low as the detection limit of ICP, and that in the 1% lactic acid showed no significant difference from titanium. The tissue reaction of the cylindrical implant in soft tissue of rats showed no inflammation, and fine particles of 1μm induced phagocytosis, which was similar to titanium. The implantation in the femor showed the new bone formed in direct contact with implants. All the results suggested that the wettability, corrosion resistance, S.mutans adhesion and biocompatibility were nearly equivalent to those of titanium. The surface of nitrided titanium was promising, with biocompatibility comparable with titanium, as an implant material such as for an abutment part of a dental implant, which requires high abrasion resistance.
- 日本歯科理工学会の論文
著者
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Watari Fumio
Hokkaido Univ. Sapporo Jpn
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Watari Fumio
北海道大学 エネルギー変換マテリアル研究センター
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田村 洋介
千葉工業大学工学部
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Watari F
Hokkaido Univ. Sapporo Jpn
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Watari Fumio
北海道大学 歯研究 口腔機能
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WATARI Fumio
Division of Biomedical, Dental Materials and Engineering, Department of Oral Health Science, Graduat
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TAMURA Yutaka
Division of Removable Prosthodontics and Stomatognathostatic Rehabilitation (Department of Oral Func
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YOKOYAMA Atsuro
Division of Removable Prosthodontics and Stomatognathostatic Rehabilitation (Department of Oral Func
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KAWASAKI Takao
Division of Removable Prosthodontics and Stomatognathostatic Rehabilitation (Department of Oral Func
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Kawasaki Takao
Removable Prosthodontics And Stomatognathostatic Rehabilitation Department Of Oral Functional Scienc
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Tamura Yutaka
Removable Prosthodontics And Stomatognathostatic Rehabilitation Department Of Oral Functional Scienc
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