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市售金属正畸托槽的体外物理、化学和生物学评价

In vitro physical, chemical, and biological evaluation of commercially available metal orthodontic brackets.

作者信息

Kim Joo Hyoung, Cha Jung Yul, Hwang Chung Ju

机构信息

GIO Dental Clinic, Gimpo, Korea.

出版信息

Korean J Orthod. 2012 Dec;42(6):297-306. doi: 10.4041/kjod.2012.42.6.297. Epub 2012 Dec 28.

DOI:10.4041/kjod.2012.42.6.297
PMID:23323244
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3542450/
Abstract

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.

摘要

目的

由于韩国缺乏金属正畸托槽的国家标准，因此开展本体外研究以评估韩国市售金属正畸托槽的物理、化学和生物学特性。

方法

对四个托槽品牌进行了尺寸精度（角度和扭矩制造误差）、细胞毒性、成分、洗脱和腐蚀测试：阿奇斯特（大成医疗）、胜利（3M Unitek）、小坂（登士柏西诺德）和信心（信野口腔材料）。

结果

测试的托槽在角度制造误差方面无显著差异，但信心托槽在扭矩制造误差方面有显著差异。所有托槽对小鼠成纤维细胞均无细胞毒性。金属离子成分的洗脱量未随时间呈现出规律的增加或减少趋势，但总洗脱金属离子的量增加：阿奇斯特托槽的铬洗脱量最大，而信心托槽由于镍洗脱过多，似乎总洗脱金属离子量最大。在动电位极化过程中，信心托槽的耐腐蚀性最低。

结论

本研究结果可能有助于制定金属正畸托槽的国家标准以及评估市售产品。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1763/3542450/2ed45304cbc4/kjod-42-297-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1763/3542450/f7f1f3da308a/kjod-42-297-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1763/3542450/94d4431c09fc/kjod-42-297-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1763/3542450/ed16e690c45e/kjod-42-297-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1763/3542450/77f8b83b6466/kjod-42-297-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1763/3542450/cccc904d4591/kjod-42-297-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1763/3542450/5a952df75ea9/kjod-42-297-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1763/3542450/b21f26e876ef/kjod-42-297-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1763/3542450/2ed45304cbc4/kjod-42-297-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1763/3542450/f7f1f3da308a/kjod-42-297-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1763/3542450/94d4431c09fc/kjod-42-297-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1763/3542450/ed16e690c45e/kjod-42-297-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1763/3542450/77f8b83b6466/kjod-42-297-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1763/3542450/cccc904d4591/kjod-42-297-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1763/3542450/5a952df75ea9/kjod-42-297-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1763/3542450/b21f26e876ef/kjod-42-297-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1763/3542450/2ed45304cbc4/kjod-42-297-g008.jpg

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Am J Orthod Dentofacial Orthop. 2010 Jun;137(6):809-15. doi: 10.1016/j.ajodo.2008.07.021.
2
Cytotoxicity of silver solder employed in orthodontics.正畸用银焊料的细胞毒性。
Angle Orthod. 2009 Sep;79(5):939-44. doi: 10.2319/101108-530.1.
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Corrosion of orthodontic appliances--should we care?正畸矫治器的腐蚀——我们应该关注吗？
Am J Orthod Dentofacial Orthop. 2008 Apr;133(4):584-92. doi: 10.1016/j.ajodo.2007.03.021.
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The cytotoxicity of orthodontic metal bracket immersion media.
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Ion release and cytotoxicity of stainless steel wires.不锈钢丝的离子释放与细胞毒性
Eur J Orthod. 2005 Dec;27(6):533-40. doi: 10.1093/ejo/cji047. Epub 2005 Aug 10.
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Frictional resistance in ceramic and metal brackets.陶瓷和金属托槽中的摩擦阻力。
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