In vivo Electron Paramagnetic Resonance Tooth Dosimetry : Dependence of Radiation-induced Signal Amplitude on the Enamel Thickness and Surface Area of ex vivo Human Teeth

Persistent ID (NDL): info:ndljp/pid/11122651

Material type: 博士論文

Author: 馬越, 通崇

Publisher: -

Publication date: 2017-09-27

Material Format: Digital

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Name of awarding university/degree: 香川大学,博士（医学）

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Note (General)：: AbstractIn vivo L-band electron paramagnetic resonance tooth dosimetry is a newly developed and very promising method for retrospective biodosimetry i...

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Material Type: 博士論文
Title: In vivo Electron Paramagnetic Resonance Tooth Dosimetry : Dependence of Radiation-induced Signal Amplitude on the Enamel Thickness and Surface Area of ex vivo Human Teeth
Author/Editor: 馬越, 通崇
Author Heading: 馬越, 通崇
Publication Date: 2017-09-27
Publication Date (W3CDTF): 2017-09-27
Degree grantor/type: 香川大学
Date Granted: 2017-09-27
Date Granted (W3CDTF): 2017-09-27
Dissertation Number: 甲第673号
Degree Type: 博士（医学）
Conferring No. (Dissertation): 甲第673号
Text Language Code: eng
Alias of Author: Umakoshi, Michitaka
Subject Heading: computed tomography
dose assessment
dosimetry
radiation, ionizing
Target Audience: 一般
Note (General): AbstractIn vivo L-band electron paramagnetic resonance tooth dosimetry is a newly developed and very promising method for retrospective biodosimetry in individuals who may have been exposed to significant levels of ionizing radiation. The present study aimed to determine the relationships among enamel thickness, enamel area, and measured electron paramagnetic resonance signal amplitude with a view to improve the quantitative accuracy of the dosimetry technique. Ten isolated incisors were irradiated using well-characterized doses, and their radiation-induced electron paramagnetic resonance signals were measured. Following the measurements, the enamel thickness and area of each tooth were measured using micro-focus computed tomography. Linear regression showed that the enamel area at each measurement position significantly affected the radiation-induced electron paramagnetic resonance signal amplitude (p < 0.001). Simulation data agreed well with this result. These results indicate that it is essential to properly consider enamel thickness and area when interpreting electron paramagnetic resonance tooth dosimetry measurements to optimize the accuracy of dose estimation.
DOI: info:doi/10.1097/hp.0000000000000698
https://doi.org/info:doi/10.1097/hp.0000000000000698
Persistent ID (NDL): info:ndljp/pid/11122651
https://dl.ndl.go.jp/pid/11122651
Collection (particular): 国立国会図書館デジタルコレクション > デジタル化資料 > 博士論文
https://dl.ndl.go.jp/collections/A00014
Acquisition Basis: 博士論文（自動収集）
Date Accepted (W3CDTF): 2018-08-03T23:36:01+09:00
Date Created (W3CDTF): 2020-10-27
Format (IMT): PDF
Access Restrictions: 国立国会図書館内限定公開
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Availability of remote photoduplication service: 可
Periodical Title (URI): https://kagawa-u.repo.nii.ac.jp/records/294
Data Provider (Database): 国立国会図書館 : 国立国会図書館デジタルコレクション
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