The Development of Ti Alloys for Dental Implant with High Corrosion Resistance and Mechanical Strength
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概要
- 論文の詳細を見る
The corrosion behaviors of Ti and Ti-6Al-4V, Ti-6Al-7Nb, Ti-0.5Pt, Ti-6Al-4V-0.5Pt, and Ti-6Al-7Nb-0.5Pt alloys were examined using an electrochemical analyzer in artificial saliva containing 0.1 and 0.2% NaF at a pH of 4.0. The SEM observations revealed that the surfaces of the alloys containing 0.5 wt% Pt were not affected in fluoride-containing environments, whereas the surfaces of Ti, Ti-6Al-4V, and Ti-6Al-7Nb alloys were markedly rough. In artificial saliva containing 0.1% NaF at a pH of 4.0, the amounts of Ti dissolved from the Ti, Ti-6Al-4V, and Ti-6Al-7Nb alloys were about 50 times larger than those of the alloys containing 0.5 wt% Pt. The tensile strengths of the alloys containing 0.5 wt% Pt were equal to or higher than those of pure Ti or the alloys without Pt. The Ti-0.5Pt, Ti-6Al-4V-0.5Pt, and Ti-6Al-7Nb-0.5 alloys are expected to be useful in clinical dentistry as new Ti alloys with high corrosion resistance and mechanical strength.
- 日本歯科理工学会の論文
著者
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TAKEUCHI Akari
Department of Biomaterials, Faculty of Dental Science, Kyushu University
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Ishikawa Kunio
Department Of Biomaterials Faculty Of Dental Science Kyushu University
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NAKAGAWA Masaharu
Department of Biomaterials Faculty of Dental Science, Kyushu University
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Takeuchi Akari
Department Of Biomaterials Faculty Of Dental Science Kyushu University
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MATONO Yoshinari
Department of Biomaterials, Faculty of Dental Science, Kyushu University
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Nakagawa Masaharu
Department Of Biomaterials Division Of Oral Rehabilitation Faculty Of Dental Science Kyushu Universi
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Nakagawa Masaharu
Department Of Biomaterials Faculty Of Dental Science Kyushu University
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YAMAZOE Junichi
Department of Biomaterials, Faculty of Dental Science, Kyushu University
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Yamazoe Junichi
Department Of Biomaterials Faculty Of Dental Science Kyushu University
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Matono Yoshinari
Department Of Fixed Prosthodontics Faculty Of Dental Science Kyushu University
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Ishikawa Kunio
Department Of Biomaterials
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MATONO Yoshinari
Department of Fixed Prosthodontics, Faculty of Dental Science, Kyushu University
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NAKAGAWA Masaharu
Department of Biomaterials, Faculty of Dental Science, Kyushu University
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Ishikawa Kunio
Department of Applied Chemistry, Faculty of Engineering, Osaka Univeristy
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