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X-ray fluorescence spectrometry (XRFS) was used as a multielement method ofevaluation of individual whole human tooth or tooth tissues for their amountsof trace elements. Measurements were carried out on human enamel, dentine, anddental cementum, and some differences in tooth matrix composition were noted.In addition, the elemental concentrations determined in teeth from subjects ofdifferent ages, nutritional states, professions and gender, living undervarious environmental conditions and dietary habits, were included in acomparison by multivariate statistical analysis (MVSA) methods. By factoranalysis it was established that inorganic components of human teeth variedconsistently with their source in the tissue, with more in such tissue fromfemales than in that from males, and more in tooth incisor than in tooth molar.

Trace element distribution in human teeth by x-ray fluorescence spectrometry and multivariate statistical analysis