Abstract
Trace elements can influence dental health, possibly by altering tooth resistance during preeruptive development. Therefore, it was investigated whether lead and fluoride would be incorporated into the calcifying matrices or the cellular parts of tooth germs in vitro. Using laser microprobe mass analysis, the localization of lead and fluoride was studied in the different layers or tooth germs that had been cultured in a medium to which PbCl2 of NaF had been added in different concentrations. Both elements could only be detected in the dentine layer. Hence, the enamel organ in the secretory stage of tooth development excludes lead and fluoride from the enamel, even when enamel formation by the ameloblasts is visibly disturbed. Furthermore, there seemed to be a process of saturation in the accumulation of lead and fluoride in the dentine.
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Vandeputte, D.F., Ameloot, P.C., Cleymaet, R. et al. Localization of lead and fluoride in cultured tooth germs by laser microprobe mass analysis. Biol Trace Elem Res 23, 133–144 (1989). https://doi.org/10.1007/BF02917184
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DOI: https://doi.org/10.1007/BF02917184