Dose Reconstruction with Electron Paramagnetic Resonance Spectroscopy of Deciduous Teeth.

  • Wieser, A.
  • El-Faramawy, N.
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Publication date
January 2002
Publisher
Oxford Univ. Press

Abstract

In the present study the feasibility of using whole, naturally loose deciduous incisors for dose reconstruction with electron paramagnetic resonance (EPR) spectroscopy was investigated. The properties of EPR signals were analysed before and after laboratory irradiation. The parameters of the native EPR signal of deciduous incisors was found to be different front those from enamel of permanent molars. The native EPR signal of deciduous incisors with peak-to-peak line width of 0.65 mT was located at g = 2.0050. The evaluated parameters of the dosimetric EPR signal (CO2-) of deciduous incisors were ill agreement with those for enamel of permanent molars. A detection threshold for absorbed dose of about 100 mGy was estimated

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