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논문 기본 정보

자료유형
학술저널
저자정보
Seo Yo-Seob (Associate Professor Deptartment of Oral and Maxillofacial Radiology College of Dentistry Chosun Uni) Yu Sun-Kyoung (Associate Professor Department of Oral Anatomy College of Dentistry Chosun University Gwangju Repub)
저널정보
조선대학교 치의학연구원 Oral Biology Research Oral Biology Research 제45권 제1호
발행연도
2021.1
수록면
22 - 28 (7page)

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초록· 키워드

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This study aims to calibrate a thermoluminescence dosimeter (TLD) using a diagnostic radiation device and evaluate the dose of panoramic radiography. TLD-100s were calibrated using a solid-state dosimeter (Unfors Mult-O-Meter 512L; Unfors Instruments, Billdal, Sweden) and a diagnostic radiation device (HDT-500R; Hyun Dai Medical X-ray Co., Paju, Korea). Forty eight TLDs were placed in 24 sites of a head and neck phantom of a male (ART-210; Radiology Support Devices Inc., Long Beach, CA, USA), and panoramic radiation was performed under exposure parameters of 70 kVp and 10 mA using a ProMax (Planmeca, Helsinki, Finland). Using the International Commission on Radiological Protection (ICRP) 2007 recommendation, the effective dose of panoramic radiography was calculated from the absorbed doses of the tissues of the 24 TLD sites in a head and neck phantom. The absorbed dose of the TLD site was higher in the parotid gland (right: 1854.4 μGy, left: 1788.9 μGy) and lower in the calvarium anterior (3.8 μGy). The effective dose was calculated at 28.4 μSv. The cancer and heritable risks were 1.56×10?6 and 5.67×10?8, respectively. The TLD was calibrated using a diagnostic radiographic device, and the panoramic radiographic dose was evaluated. The findings of this study could be helpful in future dose studies.

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