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구내 표준 방사선사진을 이용한 구내방사선촬영기의 선질 평가

Other Titles
 Evaluation of the Beam Quality of Intraoral X-ray Equipments Using Intraoral Standard Films 
Authors
 이상섭  ;  권혁락  ;  심우현  ;  오승현  ;  이지연  ;  전국진  ;  김기덕  ;  박창서 
Citation
 Korean Journal of Oral and Maxillofacial Radiology, Vol.30(3) : 183-188, 2000 
Journal Title
 Korean Journal of Oral and Maxillofacial Radiology (대한구강악안면방사선학회지) 
ISSN
 1229-8212 
Issue Date
2000
Keywords
beam quality ; half value layer ; intraoral X-ray equipment ; dental film
Abstract
Purpose: This study was to evaluate the beam quality of intraoral X-ray equipments used at Yonsei University Dental Hospital (YUDH) using the half value layer (HVL) and the characteristic curve of intraoral standard X-ray film. Materials and Methods : The study was done using the intraoral X -ray equipments used at each clinical department at YUDH. Aluminum filter was used to determine the HVL. Intraoral standard film was used to get the characteristic curve of each intraoral X-ray equipment. Results: Most of the HVLs of intraoral X-ray equipments were higher than the least recommended thickness, but the REX 601 model used at the operative dentistry department and the X-707 model used at the pediatric dentistry department had HVLs lower than the recommended thickness. The slopes of the characteristic curves of films taken using the PANP AS 601 model and REX 601 model at operative dentistry department, the X-70S model of prosthodontic dentistry department, and the REX 601 model at the student clinic were relatively low. Conclusion: HVL and the characteristic curve of X-ray film can be used to evaluate the beam quality of intraoral X-ray equipment. In order to get the best X-ray films with the least radiation exposure to patients and best diagnostic information in clinical dentistry, X -ray equipment should be managed in the planned and organized fashion.
Files in This Item:
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Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Advanced General Dentistry (통합치의학과) > 1. Journal Papers
2. College of Dentistry (치과대학) > Dept. of Oral and Maxillofacial Radiology (영상치의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Kee Deog(김기덕) ORCID logo https://orcid.org/0000-0003-3055-5130
Park, Chang Seo(박창서)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/172000
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