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The research of self-made esthetic coated arch wires to improve the anticorrosive property

QU Xiao-dong,SHAO Ping,QIAN Liang-yu,TANG Lin,YAN Wei-jun.Department of Orthodontics,College of Stomatology,Harbin Medical University,Harbin 150001,China.  
Objective:The aim of this article is to discover the corrosion resistance of the esthetic coated arch wires.Method:The esthetic coated wires and none-coated wires were exposed respectively in artificial saliva,at 37 ℃ thermostat.This study included electro-chemical test as polarization curves,chemical test to analyze the metal ions level.Result:The self-corrosion electric current of the esthetic coated wires showed obviously low and the metal ions of the esthetic wires were less than the none-coating wires.Conclusion:The anti-corrosion of the wires can be strengthened by esthetic coating.
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