乳牙牙体元素含量的光谱分析

Spectra Analysis of Elements in Deciduous Teeth

本研究采用原子发射光谱仪,定量分析了健康.未龋和龋齿3组共46颗乳牙牙体组织的18种元素含量,对不同乳牙的元素测定结果作了统计分析.结果表明,与健康乳牙相比,龋齿乳牙钙、砷含量高,而铅、锌含量低;与健康乳牙和恒牙相比,钠、铁含量高,镁、铜、铅、锌等元素含量低.

In this paper, the results of spectra analysis of 18 mineral elements in 46 deciduous teeth from cariesfree and caries patients are reported. The statistical analysies of the results showed that the concentrations of Ca and As are greater in cariesfree teeth and in caries teeth, but Pb and Zn concentrations are higher in caries teeth. Compared with permanent teeth, the concentrations of Na and Fe are much higher in deciduous teeth, but the concentrations of Mg, Cu, Pb and Zn are much lower.