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首页> 外文期刊>Journal of synchrotron radiation >Local study of fissure caries by Fourier transform infrared microscopy and X-ray diffraction using synchrotron radiation
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Local study of fissure caries by Fourier transform infrared microscopy and X-ray diffraction using synchrotron radiation

机译:傅立叶变换红外显微镜和同步辐射X射线衍射对龋齿的局部研究

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摘要

Investigations of intact dental enamel as well as carious-affected human dental enamel were performed using infrared spectromicroscopy and X-ray diffraction applying synchrotron radiation. Caries of enamel was shown to be characterized by an increase in the number of deformation and valence vibrations for N-C-O, N-H and C=O bonds, a decrease of the crystallinity index, and by the absence of the preferable orientation of hydroxyapatite crystals within the affected enamel. This indicates the presence of destructive processes in the organic matrix of hard tooth tissues.
机译:使用红外光谱和应用同步加速器辐射的X射线衍射对完整的牙釉质和龋齿的人类牙釉质进行了研究。搪瓷的龋齿表现为NCO,NH和C = O键的形变和化合价振动次数增加,结晶度指数降低以及受影响的羟基磷灰石晶体缺乏优选取向的特征搪瓷。这表明在硬牙组织的有机基质中存在破坏性过程。

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