Retrospective dosimetry assessment using the 380 degree C thermoluminescence peak of tooth enamel

The thermoluminescence (TL) response to gamma-ray irradiation of tooth enamel is reported. The tooth enamel was separated from dentine by using mechanical and physico-chemical procedures followed by grinding (grain size 100 mu m) and etching. The TL was attributed to the recombination of radicals in...

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Published inRadiation measurements Vol. 46; no. 10; pp. 1109 - 1112
Main Authors Secu, CE, Cherestes, M, Secu, M, Cherestes, C, Paraschiva, V, Barca, C
Format Journal Article
LanguageEnglish
Published 01.10.2011
Subjects
Grain size
Hydroxyapatite
Irradiation
Radiation measurement
Radicals
Thermoluminescence
Tooth enamels
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Summary:The thermoluminescence (TL) response to gamma-ray irradiation of tooth enamel is reported. The tooth enamel was separated from dentine by using mechanical and physico-chemical procedures followed by grinding (grain size 100 mu m) and etching. The TL was attributed to the recombination of radicals incorporated into or attached to the surface of hydroxyapatite crystals. The growth of the 380 degree C TL peak with absorbed dose was examined with irradiated tooth enamel samples and reconstructed doses evaluated for tooth enamel samples from four human subjects.
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ISSN:1350-4487
DOI:10.1016/j.radmeas.2011.07.014