Extra-high doses detected in the enamel of human teeth in the Techa riverside region

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During the long-term study of tooth enamel by EPR dosimetry for population exposed to radiation due to contamination of the Techa River, it was found out that for some of the tooth donors the dose accumulated in tooth enamel could be as high as several tens of Gy. Such doses were absorbed only in tooth enamel and they should not be associated with exposures to other organs or the whole body. The nature of such doses was discussed in a number of previous papers where it was shown that the source of such doses is 90Sr incorporated in the calcified dental tissues. However, among specialists in radiation dosimetry who were not involved in the biokinetic studies, the nature and dosimetric significance of extra-high doses in tooth enamel are still raising questions. The aim of the current paper is to summarize the accumulated information on extra-high doses in the teeth of the Techa riverside residents, describe the dose levels observed, explain the nature of extra-high doses in the enamel and discuss their informative value. The paper includes an overview of already published findings and an analysis of information collected in the data bank of the Urals Research Center for Radiation Medicine (URCRM), Chelyabinsk, Russia, which has not been published before. © 2011 Elsevier Ltd. All rights reserved.




Shishkina, E. A., Degteva, M. O., Tolstykh, E. I., Volchkova, A., Ivanov, D. V., Wieser, A., … Fattibene, P. (2011). Extra-high doses detected in the enamel of human teeth in the Techa riverside region. In Radiation Measurements (Vol. 46, pp. 760–764). https://doi.org/10.1016/j.radmeas.2011.03.034

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