应用X射线荧光光谱法和多元统计分析研究人牙中微量元素的分布
Trace element distribution in human teeth by x-ray fluorescence spectrometry and multivariate statistical analysis
摘要：
X射线荧光光谱法（XRFS）是一种多元素的方法，用于评价单个完整的人类牙齿或牙齿组织的微量元素的量。对人牙釉质、牙本质和牙骨质进行了测量，并注意到牙齿基质组成的一些差异。此外，元素浓度测定的牙齿从不同年龄，营养状况，职业和性别，生活在各种环境条件和饮食习惯，包括在比较多变量统计分析（MVSA）的方法。通过因子分析，我们确定了人类牙齿无机成分的变化与其组织来源一致，女性的无机成分多于男性，切牙的无机成分多于磨牙。
英文摘要：
X-ray fluorescence spectrometry (XRFS) was used as a multielement method of evaluation of individual whole human tooth or tooth tissues for their amounts of trace elements. Measurements were carried out on human enamel, dentine, and dental cementum, and some differences in tooth matrix composition were noted. In addition, the elemental concentrations determined in teeth from subjects of different ages, nutritional states, professions and gender, living under various environmental conditions and dietary habits, were included in a comparison by multivariate statistical analysis (MVSA) methods. By factor analysis it was established that inorganic components of human teeth varied consistently with their source in the tissue, with more in such tissue from females than in that from males, and more in tooth incisor than in tooth molar.
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