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Two thousand two-hundred and thirty-three deciduous teeth were collected from cities, industrialized areas, and rural and fishing communities in several Norwegian counties. Teeth from Medieval Bergen were also included. Lead analysis of whole teeth revelant that in Norway there are many communities where lead absorption is minimal and comparable to(More)
Human primary teeth have been used as indicators of exposure to several heavy metals both in Norway and elsewhere. Local dentists in all 19 counties of Norway collected 2747 primary teeth during 1990-1994. Samples of tooth powder from whole, ground teeth were analyzed for zinc concentration by flame atomic absorption spectrophotometry. The overall(More)
Serial etching of cross-sectioned prisms in undecalcified adult marsupial enamel from different species, revealed distinct cylindrical acid-resistant fibrils that were demonstrable by light microscopy and by scanning electron microscopy. No fibrils were found in the enamel of Vombatus. The fibrils and the organic matrix in the remainder of the enamel stain(More)
Lead is one of the most important and widely distributed pollutants in the environment. In the human population children are particularly at risk. Local dentists in all 19 counties in Norway collected 2746 primary teeth from 1990 to 1994. Tooth substance from whole, ground teeth were analyzed for lead concentration by electrothermal atomic absorption(More)