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首页> 外文会议>Diagnostic Optical Spectroscopy in Biomedicine IV; Progress in Biomedical Optics and Imaging; vol.8 no.41; Proceedings of SPIE-The International Society for Optical Engineering; vol.6628 >Spectroscopic study of demineralization and restoration processes in dental enamel
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Spectroscopic study of demineralization and restoration processes in dental enamel

机译：牙釉质脱矿和修复过程的光谱研究

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摘要

The spectroscopic study of dental enamel by LIBS (laser induced breakdown spectroscopy), FTIR (Fourier transform infrared) and XRD (X-ray diffraction) are represented. The changes of enamel structure and composition in process of natural (caries) and artificial demineralization and restoration were studied. In comparison of sound and carious enamel LIBS showed a decrease of the content of Ca, P and change of the content of some other macro-and trace elements (Mn, Na, Fe, Zn etc). The character of the elemental composition variation was stipulated by the concrete disease. Analysis of FTTR and XRD spectra of dental samples, subjected to artificial demineralization and restoration, showed that restoration action reveals slower, than demineralization. And in some cases the damage of crystals after restoration is more significant than after demineralization.
机译：代表了通过LIBS（激光诱导击穿光谱），FTIR（傅立叶变换红外光谱）和XRD（X射线衍射）对牙釉质的光谱研究。研究了天然（龋齿），人工脱矿质和修复过程中牙釉质结构和组成的变化。声音和龋牙瓷釉的比较表明，LIBS显示出Ca，P含量的减少以及其他一些宏观和微量元素（Mn，Na，Fe，Zn等）的含量的变化。元素组成变化的特征由具体疾病规定。对经过人工脱盐和修复的牙科样品的FTTR和XRD光谱分析表明，修复作用比脱矿慢。在某些情况下，修复后的晶体损伤比脱矿后的晶体更严重。

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