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Basic Study | Publishing Language: Chinese | Open Access

Study on the corrosion resistance of composite wire in artificial saliva containing enzyme

Chao ZHANG1, Yao-mu XIAO1, Chu-feng LIU1, Rui-xue YU1, Cong-hua LIU1, Ye CUI1, Xian-wen LIU2( )
Department of Orthodontics, Guangdong Provincial Stomatological Hospital & the Affiliated Stomatological Hospital of Southern Medical University, Guangzhou 510280, China
Department of Oral and Maxillofacial Surgery, Guangdong Provincial Stomatological Hospital & the Affiliated Stomatological Hospital of Southern Medical University, Guangzhou 510280, China
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Abstract

Objective

To explore the anti corrosion ability of laser welded composite wire in artificial saliva containing salivary amylase and pancreatic amylase, and to compare the effect of two kinds of amylase on corrosion resistance of wire and its mechanism.

Methods

The corrosion resistance of composite wire was evaluated by electrochemical polarization and immersion test. The soluble corrosion products after 28 d immersion in artificial saliva were detected by plasma spectrometer. The surface morphology was analyzed by scanning electron microscope, energy spectrometer and atomic force microscope.

Results

Salivary amylase and pancreatic amylase could improve the corrosion resistance of the composite arch wire; the same isomerase would have different effects on the same alloy corrosion resistance.

Conclusion

When the new metal biological material is applied to the oral cavity, the amylase may have influence on its corrosion resistance.

Keywords

CopperCorrosionInterfacePancreatic amylaseSalivary amylase
CLC number: R783.5 Document code: A Article ID: 2096-1456(2016)11-645-06

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Journal of Prevention and Treatment for Stomatological Diseases
Volume 24 Issue 11,
November 2016
Pages 645-650
DOI: 10.12016/j.issn.2096-1456.2016.11.005

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Cite this article:
ZHANG C, XIAO Y-m, LIU C-f, et al. Study on the corrosion resistance of composite wire in artificial saliva containing enzyme. Journal of Prevention and Treatment for Stomatological Diseases, 2016, 24(11): 645-650. https://doi.org/10.12016/j.issn.2096-1456.2016.11.005

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Received: 22 August 2016
Revised: 02 September 2016
Published: 20 November 2016
© 2016 by Editorial Department of Journal of Prevention and Treatment for Stomatological Diseases

This article is licensed under a Creative Commons Attribution 4.0 International License.