Imaging Science in Dentistry

  • 제36권3호
  • /
  • Pages.123-129
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  • 2006
  • /
  • 2233-7822(pISSN)
  • /
  • 2233-7830(eISSN)
대한영상치의학회 (Korean Academy of Oral and Maxillofacial Radiology)
권호 표지

Cone beam형 전산화단층영상의 원리

Basic principle of cone beam computed tomography

  • 최용석 (경희대학교 치과대학 구강악안면방사선과) ;
  • 김규태 (경희대학교 치과대학 구강악안면방사선과) ;
  • 황의환 (경희대학교 치과대학 구강악안면방사선과)
  • Choi Yong-Suk (Department of Oral and Maxillofacial Radiology, College of Dentistry, Kyung Hee University) ;
  • Kim Gyu-Tae (Department of Oral and Maxillofacial Radiology, College of Dentistry, Kyung Hee University) ;
  • Hwang Eui-Hwan (Department of Oral and Maxillofacial Radiology, College of Dentistry, Kyung Hee University)
  • 발행 : 2006.09.01
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초록

The use of computed tomography for dental procedures has increased recently. Cone beam computed tomography (CBCT) systems have been designed for imaging hard tissues of the dentomaxillofacial region. CBCT is capable of providing high resolution in images of high diagnostic quality. This technology allows for 3-dimensional representation of the dentomaxillofacial skeleton with minimal distortion, but at lower equipment cost, simpler image acquisition and lower patient dose. Because this technology produces images with isotropic sub-millimeter spatial resolution, it is ideally suited for dedicated dentomaxillofacial imaging. In this paper, we provide a brief overview of cone beam scanning technology and compare it with the fan beam scanning used in conventional CT and the basic principles of currently available CBCT systems.

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