국내·외 치과촬영에 의한 피폭방사선량 실태조사 현황 분석
Analysis of National Medical Radiation Exposure by Dental Radiography
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초록
Dental radiography is an important tool used for diagnosis of cavities, implants, andorthodontics. The usage of dental radiography has increased continuously, which can lead toincrease in the radiation dose for the patient. Therefore, it is necessary to manage the patientdose for medical radiation at the national level continuously and systematically. The objectiveof this study is to analyze the national medical radiation exposures by dental radiography. InKorea, the KCDC conducted a study of radiation exposure by dental radiography in 2019. In thisstudy, the KCDC conducted a study through radiation dose measurement by visiting a medicalinstitution. The age group was classified into 6, 12, and adults, and the types of examination wereselected as intraoral radiography, panorama, and CBCT. The dose area product correspondingto the third quartile for adults was 2,060 mGy·cm2 (CBCT), 227 mGy·cm2 (panorama), and 46mGy·cm2 (intraoral radiography). In other developed countries, it was found that the surveymethod, age, and type of examination for dental radiography were similar to Korea. Radiationdose in Korea was about 39% lower than the other countries in intraoral radiography, and about2.0 times higher in panorama and 2.5 times higher in CBCT. It is because the dental radiographyacquisition methods and devices are different from each country. Periodic nation-wide survey onmedical radiation exposure is necessary to manage the medical radiation exposure. Ultimately, theresults of this study can be used to optimize patient dose and reduce radiation dose.
Abstract
Dental radiography is an important tool used for diagnosis of cavities, implants, andorthodontics. The usage of dental radiography has increased continuously, which can lead toincrease in the radiation dose for the patient. Therefore, it is necessary to manage the patientdose for medical radiation at the national level continuously and systematically. The objectiveof this study is to analyze the national medical radiation exposures by dental radiography. InKorea, the KCDC conducted a study of radiation exposure by dental radiography in 2019. In thisstudy, the KCDC conducted a study through radiation dose measurement by visiting a medicalinstitution. The age group was classified into 6, 12, and adults, and the types of examination wereselected as intraoral radiography, panorama, and CBCT. The dose area product correspondingto the third quartile for adults was 2,060 mGy·cm2 (CBCT), 227 mGy·cm2 (panorama), and 46mGy·cm2 (intraoral radiography). In other developed countries, it was found that the surveymethod, age, and type of examination for dental radiography were similar to Korea. Radiationdose in Korea was about 39% lower than the other countries in intraoral radiography, and about2.0 times higher in panorama and 2.5 times higher in CBCT. It is because the dental radiographyacquisition methods and devices are different from each country. Periodic nation-wide survey onmedical radiation exposure is necessary to manage the medical radiation exposure. Ultimately, theresults of this study can be used to optimize patient dose and reduce radiation dose.
참고문헌 (38)
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