Corrosion Resistance of the Pt-Fe-Nb Magnets for Dental-casting
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概要
- 論文の詳細を見る
Magnetic attachments have been used in clinical dental practice, but there is some difficulties associated with removable bridges. One possible solution is to make whole bridges of Pt-Fe magnet alloys and its abutment out of magnetic stainless steel by casting. In terms of castability and magnetic properties, the promising composition of the Pt-Fe-Nb magnet alloy is Pt-30.0 mass% Fe-0.6 mass% Nb and Pt-30.0 mass% Fe-0.5 mass% Nb-0.03 mass%Si. In the present study, the corrosion resistance of these alloys was investigated based on the elusion test, electrochemical behavior and surface characterization by EPMA analysis. The released elements from the Pt-Fe-Nb magnets were mainly Fe ions in quantities similar to that of stainless steel for biomedical use, and the Pt-Fe-Nb magnet alloy, the Pt-Fe-Nb-Si magnet alloy and platinum resembled each other in electrochemical behavior. The present findings suggest, that the Pt-Fe-Nb magnet alloy provides excellent corrosion resistance and has important clinical dental applications.
- 日本歯科理工学会の論文
著者
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TAKADA Yukyo
Division of Dental Biomaterials, Tohoku University Graduate School of Dentistry
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Takada Yukyo
Division Of Dental Biomaterials Tohoku University Graduate School Of Dentistry
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Takada Y
Division Of Dental Biomaterials Graduate School Of Dentistry Tohoku University
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Takada Yukyo
Division Of Dental Biomaterials Department Of Oral Rehabilitation And Materials Science Tohoku Unive
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OKUNO Osamu
Division of Dental Biomaterials, Tohoku University Graduate School of Dentistry
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Kimura Kohei
Division Of Fixed Prosthodontics Graduate School Of Dentistry Tohoku University
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Kimura Kohei
First Department Of Prosthetic Dentistry Tohoku University School Of Dentistry
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Kanno T
Tokyo Medical And Dental Univ. Tokyo Jpn
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Okuno O
Division Of Dental Biomaterials Tohoku University Graduate School Of Dentistry
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Okuno Osamu
Division Of Dental Biomaterials Graduate School Of Dentistry Tohoku University
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HAOKA Katsunori
Fixed Prosthodontics, Oral Rehabilitation and Materials Science Tohoku University Graduate School of
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KANNO Taro
Fixed Prosthodontics, Oral Rehabilitation and Materials Science Tohoku University Graduate School of
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TAKADA Yukyo
Dental Biomaterials, Oral Rehabilitation and Materials Science Tohoku University Graduate School of
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KIMURA Kohei
Fixed Prosthodontics, Oral Rehabilitation and Materials Science Tohoku University Graduate School of
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OKUNO Osamu
Dental Biomaterials, Oral Rehabilitation and Materials Science Tohoku University Graduate School of
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Haoka Katsunori
Fixed Prosthodontics Oral Rehabilitation And Materials Science Tohoku University Graduate School Of
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Kimura Kohei
Division Of Fixed Prosthodontics Department Of Restorative Dentistry Tohoku University Graduate Scho
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Okuno Osamu
Division Of Dental Biomaterials Tohoku University Graduate School Of Dentistry
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