人体龈下牙石中的铜

Copper in human subgingival calculus.

作者信息

Knuuttila M, Lappalainen R, Rajala M, Markkanen H

出版信息

Scand J Dent Res. 1983 Apr;91(2):130-3. doi: 10.1111/j.1600-0722.1983.tb00789.x.

DOI:10.1111/j.1600-0722.1983.tb00789.x

Abstract

The Cu concentration as well as the Ca, Mg, Fe, Pb, Zn, and F concentrations were determined in subgingival calculus and the relation of Cu to Zn, Ca, Mg and Fe described. Samples of human subgingival calculus of 60 pieces from 60 subjects were ashed in an acid solution and the cation concentrations were determined with atomic absorption spectrophotometry. The F content was analyzed with an ion-selective electrode. The data was analyzed using the multiple linear regression analysis. The mean +/-SD of the Cu concentration in the subgingival calculus was 48.4+/-59.0 micrograms/g. Four elements, Zn, Ca, Fe and Mg, explained 41.1% of the Cu content. Zn explained 25.5% and the correlation was positive, whereas Ca (10.4%) had a negative correlation with the Cu content. The results showed such a high Cu content that it could affect the mineralization of calculus.

摘要

测定了龈下牙石中的铜浓度以及钙、镁、铁、铅、锌和氟的浓度，并描述了铜与锌、钙、镁和铁的关系。从60名受试者中采集了60块人类龈下牙石样本，在酸性溶液中灰化后，用原子吸收分光光度法测定阳离子浓度。用离子选择电极分析氟含量。采用多元线性回归分析对数据进行分析。龈下牙石中铜浓度的平均值±标准差为48.4±59.0微克/克。锌、钙、铁和镁四种元素解释了铜含量的41.1%。锌解释了25.5%，且相关性为正，而钙（10.4%）与铜含量呈负相关。结果显示铜含量如此之高，可能会影响牙石的矿化。