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In vitro physical, chemical, and biological evaluation of commercially available metal orthodontic brackets
OBJECTIVE: This in vitro study was undertaken to evaluate the physical, chemical, and biological properties of commercially available metal orthodontic brackets in South Korea, because national standards for these products are lacking. METHODS: Four bracket brands were tested for dimensional accurac...
Autores principales: | , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Korean Association of Orthodontists
2012
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3542450/ https://www.ncbi.nlm.nih.gov/pubmed/23323244 http://dx.doi.org/10.4041/kjod.2012.42.6.297 |
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author | Kim, Joo Hyoung Cha, Jung Yul Hwang, Chung Ju |
author_facet | Kim, Joo Hyoung Cha, Jung Yul Hwang, Chung Ju |
author_sort | Kim, Joo Hyoung |
collection | PubMed |
description | OBJECTIVE: This in vitro study was undertaken to evaluate the physical, chemical, and biological properties of commercially available metal orthodontic brackets in South Korea, because national standards for these products are lacking. METHODS: Four bracket brands were tested for dimensional accuracy, (manufacturing errors in angulation and torque), cytotoxicity, composition, elution, and corrosion: Archist (Daeseung Medical), Victory (3M Unitek), Kosaka (Tomy), and Confidence (Shinye Odontology Materials). RESULTS: The tested rackets showed no significant differences in manufacturing errors in angulation, but Confidence brackets showed a significant difference in manufacturing errors in torque. None of the brackets were cytotoxic to mouse fibroblasts. The metal ion components did not show a regular increasing or decreasing trend of elution over time, but the volume of the total eluted metal ions increased: Archist brackets had the maximal Cr elution and Confidence brackets appeared to have the largest volume of total eluted metal ions because of excessive Ni elution. Confidence brackets showed the lowest corrosion resistance during potentiodynamic polarization. CONCLUSIONS: The results of this study could potentially be applied in establishing national standards for metal orthodontic brackets and in evaluating commercially available products. |
format | Online Article Text |
id | pubmed-3542450 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2012 |
publisher | Korean Association of Orthodontists |
record_format | MEDLINE/PubMed |
spelling | pubmed-35424502013-01-15 In vitro physical, chemical, and biological evaluation of commercially available metal orthodontic brackets Kim, Joo Hyoung Cha, Jung Yul Hwang, Chung Ju Korean J Orthod Original Article OBJECTIVE: This in vitro study was undertaken to evaluate the physical, chemical, and biological properties of commercially available metal orthodontic brackets in South Korea, because national standards for these products are lacking. METHODS: Four bracket brands were tested for dimensional accuracy, (manufacturing errors in angulation and torque), cytotoxicity, composition, elution, and corrosion: Archist (Daeseung Medical), Victory (3M Unitek), Kosaka (Tomy), and Confidence (Shinye Odontology Materials). RESULTS: The tested rackets showed no significant differences in manufacturing errors in angulation, but Confidence brackets showed a significant difference in manufacturing errors in torque. None of the brackets were cytotoxic to mouse fibroblasts. The metal ion components did not show a regular increasing or decreasing trend of elution over time, but the volume of the total eluted metal ions increased: Archist brackets had the maximal Cr elution and Confidence brackets appeared to have the largest volume of total eluted metal ions because of excessive Ni elution. Confidence brackets showed the lowest corrosion resistance during potentiodynamic polarization. CONCLUSIONS: The results of this study could potentially be applied in establishing national standards for metal orthodontic brackets and in evaluating commercially available products. Korean Association of Orthodontists 2012-12 2012-12-28 /pmc/articles/PMC3542450/ /pubmed/23323244 http://dx.doi.org/10.4041/kjod.2012.42.6.297 Text en © 2012 The Korean Association of Orthodontists. http://creativecommons.org/licenses/by-nc/3.0/ This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. |
spellingShingle | Original Article Kim, Joo Hyoung Cha, Jung Yul Hwang, Chung Ju In vitro physical, chemical, and biological evaluation of commercially available metal orthodontic brackets |
title | In vitro physical, chemical, and biological evaluation of commercially available metal orthodontic brackets |
title_full | In vitro physical, chemical, and biological evaluation of commercially available metal orthodontic brackets |
title_fullStr | In vitro physical, chemical, and biological evaluation of commercially available metal orthodontic brackets |
title_full_unstemmed | In vitro physical, chemical, and biological evaluation of commercially available metal orthodontic brackets |
title_short | In vitro physical, chemical, and biological evaluation of commercially available metal orthodontic brackets |
title_sort | in vitro physical, chemical, and biological evaluation of commercially available metal orthodontic brackets |
topic | Original Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3542450/ https://www.ncbi.nlm.nih.gov/pubmed/23323244 http://dx.doi.org/10.4041/kjod.2012.42.6.297 |
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