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Abstract #2525

Influence of Free Radicals Signal from Dental Resins on the Radio-Induced Signal in Teeth in Nuclear Retrospective Dosimetry : Kinetic Analysis Using EPR

Celine M. Desmet1, Philippe Leveque1, Gaetane Leloup2, Bernard Gallez3

1Biomedical Magnetic Resonance, Universite catholique de Louvain, Brussels, Belgium; 2CRIBIO, Universite catholique de Louvain, Brussels, Belgium; 3Biomedical Magnetic Resonance, University of Louvain, Brussels, Belgium

Tooth enamel associated with EPR detection is a very promising natural dosimeter. When conducting retrospective dosimetry, attention should be paid to recent restorations on teeth (less than 6 month), specially for doses lower than 3Gy because dental resins exhibit intense EPR signals early after photopolymerization