Influence of Metformin Hydrochloride- 250 mg (MFH) tablet on Corrosion Resistance of orthodontic wire made of NiCr alloy in Artificial Saliva

Journal of Chemical Science and Chemical Engineering Pub Date : 2020-05-04 DOI:10.47890/jcsce/srajendran/2020/10082111

R. S., Gowri S, B. J. Lara, Kanagamani B, K. A., A. M. Belciya, Muthunayaki C, Pandeeswari C, J. Praveena, Umasankareswari T, L. Majellah

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引用次数: 4

Abstract

The corrosion resistance of orthodontic wire made of NiCr alloy in artificial saliva, in the absence and presence of Metformin Hydrochloride- 250 mg (MFH) has been evaluated by polarization study and AC impedance spectra. Polarisation study reveals that in the presence of Metformin Hydrochloride- 250 mg (MFH), linear polarisation resistance (LPR) value increases and corrosion current decreases. That is, in presence of Metformin Hydrochloride250 mg (MFH), the corrosion resistance of NiCr alloy in artificial saliva increases. AC impedance study reveals that in the presence of Metformin Hydrochloride- 250 mg (MFH), Charge transfer resistance (Rt) value increases and double layer capacitance value (Cdl) decreases. That is in the presence of Metformin Hydrochloride- 250mg (MFH) the corrosion resistance of NiCr alloy in AS increases. It is concluded that people clipped with orthodontic wire made of NiCr alloy need not vacillate to take Metformin Hydrochloride- 250 mg (MFH) orally. Keywords: Artificial Saliva; Corrosion; Metformin Hydrochloride- 250 mg (MFH); Orthodontic Wires; NiCr Alloy; Electrochemical Studies

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盐酸二甲双胍- 250 mg (MFH)片对NiCr合金正畸丝在人工唾液中耐腐蚀的影响

用极化研究和交流阻抗谱评价了NiCr合金正畸丝在盐酸二甲双胍- 250 mg (MFH)存在和不存在情况下在人工唾液中的耐蚀性。极化研究表明，在盐酸二甲双胍- 250 mg (MFH)存在下，线性极化电阻(LPR)值升高，腐蚀电流减小。即在盐酸二甲双胍250 mg (MFH)存在下，NiCr合金在人工唾液中的耐蚀性提高。交流阻抗研究表明，在盐酸二甲双胍- 250 mg (MFH)存在下，电荷转移电阻(Rt)值升高，双层电容值(Cdl)降低。即在盐酸二甲双胍- 250mg (MFH)存在下，NiCr合金在AS中的耐蚀性提高。结论:使用NiCr合金正畸金属丝夹紧的患者口服盐酸二甲双胍250 mg (MFH)无需犹豫。关键词:人工唾液;腐蚀;盐酸二甲双胍250 mg (MFH);矫正线;NiCr合金;电化学研究

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Journal of Chemical Science and Chemical Engineering

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