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우리나라의 구내 치근단 및 파노라마방사선촬영의 진단참고수준

Diagnostic reference levels for intraoral periapical and panoramic radiography

대한치과의사협회지 2021년 59권 10호 p.550 ~ 565
김은경, 한원정, 최진우, 허민석, 이삼선, 김경아, Lee Wan, 김진수, 윤숙자, 정연화, 김규태, 전국진, 한진우, 안서영,
소속 상세정보
김은경 ( Kim Eun-Kyung ) - Dankook University College of Dentistry Department of Oral and Maxillofacial Radiology
한원정 ( Han Won-Jeong ) - Dankook University College of Dentistry Department of Oral and Maxillofacial Radiology
최진우 ( Choi Jin-Woo ) - Dankook University College of Dentistry Department of Oral and Maxillofacial Radiology
허민석 ( Heo Min-Suk ) - Seoul National University School of Dentistry Department of Oral and Maxillofacial Radiology
이삼선 ( Lee Sam-Sun ) - Seoul National University School of Dentistry Department of Oral and Maxillofacial Radiology
김경아 ( Kim Kyoung-A ) - Chonbuk National University School of Dentistry Department of Oral and Maxillofacial Radiology
 ( Lee Wan ) - Wonkwang University College of Dentistry Department of Oral and Maxillofacial Radiology
김진수 ( Kim Jin-Soo ) - Chosun University School of Dentistry Department of Oral and Maxillofacial Radiology
윤숙자 ( Yoon Suk-Ja ) - Chonnam National University School of Dentistry Department of Oral and Maxillofacial Radiology
정연화 ( Jung Yun-Hoa ) - Pusan National University School of Dentistry Department of Oral and Maxillofacial Radiology
김규태 ( Kim Gyu-Tae ) - Kyung Hee University School of Dentistry Department of Oral and Maxillofacial Radiology
전국진 ( Jeon Kug-Jin ) - Yonsei University College of Dentistry Department of Oral and Maxillofacial Radiology
한진우 ( Han Jin-Woo ) - Gangneung-Wonju National University College of Dentistry Department of Oral and Maxillofacial Radiology
안서영 ( An Seo-Young ) - Kyungpook National University School of Dentistry Department of Oral and Maxillofacial Radiology

Abstract


Objective : The objective of this study was to suggest the diagnostic reference levels for intraoral and panoramic radiography through the nationwide survey at regular intervals in South Korea.

Study Design : One hundred twenty-six dental institutions from all regions of South Korea were visited. Information on radiographic equipment and clinical exposure parameter was recorded at 118 intraoral and 125 panoramic equipment. Patient entrance dose (PED) and dose-area product (DAP) in intraoral radiography and DAP in panoramic radiography were measured using a DAP meter.

Results : Third quartile PED and DAP of intraoral radiography in adults were 1.5 mGy and 46.0 mGy cm2 , those in 12-year-old children 1.2 mGy and 37.1 mGy cm2 and those in 6-year-old children 1.0 mGy and 29.9 mGy cm2 . Third quartile DAP of panoramic radiography in adults, 12, and 6-year-old children were 227 mGy cm2 , 175 mGy cm2 , 163 mGy cm2 , respectively. The median exposure parameters of intraoral radiography in adults were 60kV, 6mA, and 0.23 seconds and those in 12-year-old children 60kV, 6mA, and 0.16 seconds and those in 6-year-old children 60kV, 6mA, and 0.15 seconds. The median exposure parameters of panoramic radiography in adults were 74kV, 10mA, and 13.6 seconds and those in 12-yearold children 67kV, 10mA, and 13.2 seconds and those in 6-year-old children 67kV, 8mA, and 12.0 seconds.

Conclusion : As the national DRLs for intraoral radiography and panoramic radiography in Korea, we recommended 1.5 mGy and 227 mGy cm2 for adults, 1.2 mGy and 175 mGy cm2 for 12-year-old children, and 1.0 mGy and 163 mGy cm2 for 6-year-old children, respectively.

키워드

Radiation Protection; Radiation Dosage; Radiography; Dental Radiography; Panoramic

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