2002
DOI: 10.1093/oxfordjournals.rpd.a006045
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Dose Reconstruction with Electron Paramagnetic Resonance Spectroscopy of Deciduous Teeth

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 from 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. T… Show more

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Cited by 14 publications
(8 citation statements)
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“…Using this technique, the high measurement errors in a low dose could be from multiple irradiations of the same sample to determine low doses. While using spectra deconvolution computer software, the dose measurements errors were more than 20% at the low doses (100–500 mGy) in tooth enamel (Ivannikov et al 2002; Wieser et al 2002; Zhumadilov et al 2006). However, the dose spiking technique can amplify the RIS signal amplitude high enough to be seen and measured in the single irradiation dose.…”
Section: Resultsmentioning
confidence: 99%
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“…Using this technique, the high measurement errors in a low dose could be from multiple irradiations of the same sample to determine low doses. While using spectra deconvolution computer software, the dose measurements errors were more than 20% at the low doses (100–500 mGy) in tooth enamel (Ivannikov et al 2002; Wieser et al 2002; Zhumadilov et al 2006). However, the dose spiking technique can amplify the RIS signal amplitude high enough to be seen and measured in the single irradiation dose.…”
Section: Resultsmentioning
confidence: 99%
“…Likewise, Ivannikov et al (2002) used an automatic computer procedure (i.e., spectra deconvolution procedure) for processing spectra from 100-500 mGy by extracting the RIS from the total EPR spectrum and determining the RIS intensity. This procedure deconvolutes the total EPR spectrum of tooth enamel to the RIS and BGS by applying non-linear squares fitting of a model spectrum to the experimental one (Ivannikov et al 2002;Wieser et al 2002;Zhumadilov et al 2005Zhumadilov et al , 2006. However, these studies did not determine the spectra deconvolution procedure's ability to differentiate the RIS and BGS in the tooth enamel EPR spectrum at the low dose range (10-100 mGy).…”
Section: Standard Techniques For Low Dose Measurementsmentioning
confidence: 99%
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“…One of the calibration curve method's major limitations is finding a sample with less background and artificial doses (Fattibene and Callens 2010). Deciduous teeth enamel sensitivity is the same as for permanent teeth (Wieser and El-Faramawy 2002); however, they contain less background interferences and artificial doses, which may decrease errors in the final dose measurement of an unknown sample. So different age group (10–12 y) samples were mixed and divided into 8 aliquots of the same mass (105 mg).…”
Section: Methodsmentioning
confidence: 99%