In vitro corrosion characteristics of commercially available orthodontic wires

Yasuyuki Yonekura, Kazuhiko Endo, Masahiro Iijima, Hiroki Ohno, Itaru Mizoguchi

研究成果: Article査読

29 被引用数 (Scopus)

抄録

The corrosion characteristics of orthodontic alloy wires were investigated both in as-received and grinded conditions in 0.9% NaCl solution by atomic absorption spectrophotometry and potentiodynamic polarization measurements. The amount of each metal ion released from most alloys was larger for the grinded wires than for the as-received wires (p<0.01). The fact that the beta-Ti alloy wire (Ti-Mo-Zr) does not contain allergenic metals such as Ni, Co, and Cr, and the finding that resistance to both general and localized corrosion is the highest among the six wires investigated suggest that this wire is the most biocompatible orthodontic wire. Since a small amount of Ni, Cr or Co ions were released from Ni-Ti, Co-Cr and stainless steel wires, special attention should be paid during their clinical use for patients with allergic tendencies.

本文言語English
ページ(範囲)197-202
ページ数6
ジャーナルDental materials journal
23
2
DOI
出版ステータスPublished - 2004 6月
外部発表はい

ASJC Scopus subject areas

  • セラミックおよび複合材料
  • 歯科学(全般)

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