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Abstract <p>The new study, focuses on dental titanium (cp-Ti) against corrosion with 2000 ppm α-pinene, citric acid (0.005 M; 0.01 M), and fluoride (1% NaF) in artificial oral conditions. The study performed by using electrochemical methods investigated with open-circuit (<i>E</i><sub>OCP</sub>-<i>t</i>(s) time) potential, impedance spectroscopy (EIS), current–potential (CP) and linear polarization (<i>R</i><sub>LPR</sub>) curves. The aim of this study is to prevent the corrosion of multi-Ti with more natural and accessible materials and to support it with the density functional theory (DFT). Electrochemical study results demonstrated that α-pinene acted as anodic inhibitor. It increased the corrosion resistance from 2.4 to 1450 kΩ cm<sup>2</sup> at 0.01 M citric concentration (99.8%). Also, ICP-MS analysis indicated that cp-Ti cations decreased from 246 to 14 ppb at this concentration. Additionally, the cations reduced significantly and covered on the surface thanks to the α-pinene at citric acid concentrations according to scanning electron microscopy (SEM/EDX) analysis. The results showed that DFT calculations and electrochemical are compatible with each other. Computational DFT study applied for α-pinene and fluoride on cp-Ti with Gaussian 09W, PBEPBE/6-311G(d,p) version.</p>

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The Effect of α-Pinene and Fluoride against Corrosion on cp-Ti in Artificial Oral Solution: Experimental and DFT Study

  • 期刊论文

  • 发表日期：

    2025年2月1日

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  • Turan Yanardağ

摘要

Abstract

The new study, focuses on dental titanium (cp-Ti) against corrosion with 2000 ppm α-pinene, citric acid (0.005 M; 0.01 M), and fluoride (1% NaF) in artificial oral conditions. The study performed by using electrochemical methods investigated with open-circuit (EOCP-t(s) time) potential, impedance spectroscopy (EIS), current–potential (CP) and linear polarization (RLPR) curves. The aim of this study is to prevent the corrosion of multi-Ti with more natural and accessible materials and to support it with the density functional theory (DFT). Electrochemical study results demonstrated that α-pinene acted as anodic inhibitor. It increased the corrosion resistance from 2.4 to 1450 kΩ cm2 at 0.01 M citric concentration (99.8%). Also, ICP-MS analysis indicated that cp-Ti cations decreased from 246 to 14 ppb at this concentration. Additionally, the cations reduced significantly and covered on the surface thanks to the α-pinene at citric acid concentrations according to scanning electron microscopy (SEM/EDX) analysis. The results showed that DFT calculations and electrochemical are compatible with each other. Computational DFT study applied for α-pinene and fluoride on cp-Ti with Gaussian 09W, PBEPBE/6-311G(d,p) version.