The Influence of Albumin on Corrosion Resistance of Titanium in Fluoride Solution

DOI NDLデジタルコレクション Web Site PubMed 被引用文献6件 参考文献26件
  • IDE Katsuhisa
    Department of Dental Materials Science, Tokyo Dental College
  • HATTORI Masayuki
    Department of Dental Materials Science, Tokyo Dental College
  • YOSHINARI Masao
    Department of Dental Materials Science, Tokyo Dental College
  • KAWADA Eiji
    Department of Dental Materials Science, Tokyo Dental College
  • ODA Yutaka
    Department of Dental Materials Science, Tokyo Dental College

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抄録

Proteins can interact with corrosion reactions in several ways. In this study, we investigated the effect of albumin on the corrosion resistance of titanium in the presence of fluoride. The effects of the NaF concentration, albumin concentration, and pH on the corrosion characteristics of commercially pure titanium (CP-Ti) were examined by means of electrochemical techniques.<br>The corrosion resistance of titanium decreased as the NaF concentration increased and as pH decreased. The corrosion resistance of titanium in NaF solutions was improved in the presence of albumin. The natural electrode potential was elevated, and the passive current density was reduced by albumin at a concentration of 0.01%. The polarization resistance rose with increased concentrations of albumin in fluoride solution. These results showed that the albumin in saliva and dental plaque affected the corrosion resistance of CP-Ti in fluoride solution.

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