Scanning Electrochemical Microscopy as a Tool for the Characterization of Dental Erosion

Pollyana S.Castro; Alex S.Lima; Tiago L.Ferreira; MauroBertotti

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Scanning Electrochemical Microscopy as a Tool for the Characterization of Dental Erosion

机译：扫描电化学显微镜作为表征牙齿侵蚀的工具

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When the tooth is exposed to acidic environments, an irreversible loss of dental hard tissue occurs in a process called dental erosion. In this work, the scanning electrochemical microscopy (SECM) was used to probe the consumption of protons at the vicinity of a tooth surface with a platinum microelectrode fixed at −0.5 (V) versus Ag/AgCl/KCl(sat). SECM approach curves were recorded to assess the extent of diffusion in the solution close to the tooth substrate. SECM images clearly demonstrated that the acid erosion process is very fast at solution pH values in the range between 3 and 4.

机译：当牙齿暴露于酸性环境中时，在称为牙齿侵蚀的过程中会发生不可逆转的牙齿硬组织损失。在这项工作中，使用扫描电化学显微镜（SECM）来探测牙齿表面附近质子的消耗，其中铂微电极相对于Ag / AgCl / KCl（sat）固定为-0.5（V）。记录SECM进近曲线以评估溶液在靠近牙齿基质的扩散程度。 SECM图像清楚地表明，当溶液的pH值在3到4之间时，酸蚀过程非常快。

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《International Journal of Electrochemistry》 |2011年第2期|共6页
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Pollyana S.Castro; Alex S.Lima; Tiago L.Ferreira; MauroBertotti;
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Scanning Electrochemical Microscopy as a Tool for the Characterization of Dental Erosion

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