Evaluation of the medical exposure doses regarding dental examinations with different X-ray instruments

被引：5

作者：

Liu, Yi-Chi ^{[1
]}

Chuang, Keh-Shih ^{[1
,2
]}

Yu, Cheng-Ching ^{[3
]}

Chao, Jiunn-Hsing ^{[4
]}

Hsu, Fang-Yuh ^{[2
,4
]}

机构：

[1] Natl Tsing Hua Univ, Inst Nucl Engn & Sci, Hsinchu 300, Taiwan

[2] Natl Tsing Hua Univ, Dept Biomed Engn & Environm Sci, Hsinchu 300, Taiwan

[3] Yuanpei Univ, Dept Radiol Technol, Hsinchu 30013, Taiwan

[4] Natl Tsing Hua Univ, Nucl Sci & Technol Dev Ctr, 101 Sect 2,Kuang Fu Rd, Hsinchu 300, Taiwan

来源：

RADIATION PHYSICS AND CHEMISTRY | 2015年 / 116卷

关键词：

Dental X-ray; EPR; TLD; Effective dose; Tooth dose; BEAM COMPUTED-TOMOGRAPHY; TOOTH ENAMEL; PHOTON ENERGY; DOSIMETRY; PHANTOMS;

D O I：

10.1016/j.radphyschem.2015.02.014

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Modern dental X-ray examination that consists of traditional form, panorama, and cone-beamed 3D technologies is one of the most frequent diagnostic applications nowadays. This study used the Rando Phantom and thermoluminescence dosimeters (TLD) to measure the absorbed doses of radiosensitive organs recommended by International Commission on Radiological Protection (ICRP), and whole body effective doses which were delivered due to dental X-ray examination performed with different types of X-ray instrument. Besides, enamel samples which performed reading with Electronic Paramagnetic Resonance (EPR) procedure were also used to estimate the tooth doses. EPR is a dose reconstruction method of measuring free radicals induced by radiation exposure to the calcified tissue (mainly in the tooth enamel or bone) to evaluate the accepted high dose. The tooth doses estimated by TLD and EPR methods were compared. Relationships between the tooth doses and effective doses by dental X-ray examinations with different types of X-ray equipment were investigated in this work. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：386 / 392

页数：7

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