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Self-Assembled Monolayer Formation on a Dental Orthodontic Stainless Steel Wire Surface to Suppress Metal Ion Elution


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Title: Self-Assembled Monolayer Formation on a Dental Orthodontic Stainless Steel Wire Surface to Suppress Metal Ion Elution
Authors: Tamaki, Hironori / Abe, Shigeaki / Yamagata, Shuichi / Yoshida, Yasuhiro / Sato, Yoshiaki
Issue Date: 7-Apr-2020
Publisher: MDPI
Citation: Coatings, 10(4), art.no.367; 2020
Description: Metal ion elution, including Cr and Ni from dental orthodontic stainless steel, accounts for some allergies. In this study, a self-assembled monolayer (SAM) on a wire surface is proposed for suppressing such elution. This method involves modifying the stainless steel surface using phosphonic acid containing a long alkyl chain. The uncoated and coated wires are immersed in different acidic solutions, and the supernatant is analyzed by inductively coupled plasma mass spectrometry after 1-4 weeks. The results reveal that Cr and Ni ion elution is significantly suppressed by SAM modification. These findings will help in minimizing potential allergens from dental orthodontics.
Keywords: Dental orthodontic stainless steel wire / Self-assembled monolayer / Suppress metal ion elution / Surface modification
URI: http://hdl.handle.net/10069/39985
DOI: 10.3390/coatings10040367
Rights: © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license(http://creativecommons.org/licenses/by/4.0/).
Type: Journal Article
Text Version: publisher
Appears in Collections:Articles in academic journal

Citable URI : http://hdl.handle.net/10069/39985

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