نتایج جستجو برای: computed radiography

تعداد نتایج: 226905  

2004
John S. Mattoon

CE Email comments/questions to [email protected], fax 800-556-3288, or log on to www.VetLearn.com Computed radiography (CR) is a digital imaging technology and digital x-ray image management system that has been used in human and veterinary medicine since the 1980s. CR helps eliminate many of the disadvantages of traditional radiography. A storage phosphor plate collects the pattern of x...

Journal: :مجله تحقیق در علوم دندانپزشکی و فک و دهان 0
dehghani m montazer lotf elahi h moeini m bardal r

abstract background and aim: cone beam computed tomography (cbct) produces high-quality data in periodontal diagnosis and treatment planning. the aim of this study was to compare the accuracy of cbct with intraoral digital and conventional radiography in the measurement of periodontal bone defects.  methods and materials: in this diagnostic research, two hundred and eighteen artificial osseous ...

Journal: :Journal of Digital Imaging 1998

Journal: :Journal of Digital Imaging 1995

2004

Introduction Imagine the excitement accompanying the first realization that noninvasive visualization of bones was possible. German physicist Wilhelm Conrad Roentgen was working in a darkened room on November 8, 1895, experimenting with electrical charges flowing through a vacuum tube, when a piece of paper coated with barium platinum cyanide glowed. Coincidentally, it had been left near a card...

2004
J. Anthony Seibert

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154 The CR System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154 Image Acquisition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155 Point-Scan CR Readers . . . . . . . . . . . . . . . . . ...

Journal: :Japanese Journal of Radiological Technology 1992

Journal: :AJR. American journal of roentgenology 1996
B Reiner E Siegel T McLaurin S Pomerantz R Allman J R Hebel S Fritz Z Protopapas

OBJECTIVE The study was performed to evaluate detection of soft-tissue foreign bodies using conventional radiography (film-screen radiography), computed radiography printed on films (computed radiography-hard copy), and computed radiography displayed on a computer workstation (computed radiography-soft copy). SUBJECTS AND METHODS Fifteen foreign bodies of different size, shape, and compositio...

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