Investigation of a novel sterilization method for biofilms formed on titanium surfaces

Rei Nagao, Daisuke Esaki, Yukie Shibata, Satoshi Ikawa, Katsuhisa Kitano, Yasunori Ayukawa, Yasuyuki Matsushita, Toru Takeshita, Yoshihisa Yamashita, Masaaki Matsuzaki, Kiyoshi Koyano

研究成果: Contribution to journalArticle

2 被引用数 (Scopus)

抄録

The development of effective methods to disinfect biofilms on dental materials is medically important. This study evaluated the bactericidal effects of peroxynitric acid (HOONO2; PNA) on biofilms formed on titanium surfaces. Streptococcus gordonii was cultured on either machined or rough titanium discs that were then used to evaluate the bactericidal effects of seven reagents, i.e., normal saline, benzalkonium chloride disinfectant solution, chlorhexidine digluconate solution, three concentration types of PNA, and inactivated PNA. Using low concentration of PNA, the bacterial count based on a CFU assay reached an undetectable level within 10 s; this bactericidal effect was the strongest observed for the seven tested reagents. Thus, PNA may be more useful than other disinfectants for sterilizing biofilms on titanium surfaces that have been contaminated with bacteria.

本文言語英語
ページ(範囲)654-662
ページ数9
ジャーナルdental materials journal
38
4
DOI
出版ステータス出版済み - 1 1 2019

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Dentistry(all)

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