نتایج جستجو برای: computed radiography

تعداد نتایج: 226905  

Journal: :JAPANES JOURNAL OF MEDICAL INSTRUMENTATION 1986

Journal: :Japanese Journal of Radiological Technology 1991

Journal: :Annals of the Academy of Medicine, Singapore 1998
N Polunin T A Lim K P Tan

The availability of computed radiography has opened the possibility of using reduced dosage for radiographs in clinical settings and reducing the retake rate. A prospective controlled study was carried out over a period of four months comparing conventional X-rays and computed radiography. The aim was to assess if computed radiography at 50% normal dosage would result in films of adequate quali...

Journal: :The British journal of radiology 2001
L J Cesar B A Schueler F E Zink T R Daly J P Taubel L L Jorgenson

Artefacts on radiographic images are distracting and may compromise accurate diagnosis. Although most artefacts that occur in conventional radiography have become familiar, computed radiography (CR) systems produce artefacts that differ from those found in conventional radiography. We have encountered a variety of artefacts in CR images that were produced from four different models plate reader...

Journal: :iranian endodontic journal 0
masoud parirokh hamed manouchehrifar karim ardjomand

abstract: cone-beam computed tomography (cbct) has been accepted as a useful tool for diagnosis and treatment in endodontics. despite a growing trend toward using cbct in endodontic practice the cbct images should be interpreted carefully. this case report presents a case that showed radiolucency inside and around a tooth which was free of pathologic changes under a dental operative microscope ...

Journal: :journal of dentistry, tehran university of medical sciences 0
hamed ebrahimnejad dds, msc, oral and maxillofacial radiologist, department of oral and maxillofacial radiology, school of dentistry, mashhad university of medical sciences, mashhad, iran. seyed hosein hoseini zarch associate professor, department of oral and maxillofacial radiology, dental materials research center, school of dentistry, mashhad university of medical sciences, mashhad, iran. adineh javadian langaroodi assistant professor, department of oral and maxillofacial radiology, maxillofacial diseases research center, school of dentistry, mashhad university of medical sciences, mashhad, iran.

objectives: new digital two-dimensional imaging systems are considered as an easily accessible modality for sinonasal evaluation. the aim of this study was to assess the diagnostic efficacy of digital waters’ and caldwell’s radiographic views for evaluation of sinonasal area. materials and methods: a total of 273 patients fulfilling the inclusion criteria were enrolled in this descriptive-analy...

Journal: :Orthopedics 2011
Takeshi Sasagawa Junichi Kunogi Shigeru Masuyama Satoshi Ogihara Yosuke Takeuchi Yujiro Takeshita Naokazu Kamiya Hideki Murakami Hiroyuki Tsuchiya

Computed radiography (CR) has many advantages compared with conventional radiographs, especially in image processing. Although CR is being used in chest radiography and mammography, it has not been applied to spine imaging. The purposes of this study were to formulate a set of new CR processing parameters and to test whether the resultant whole-spine radiographs visualized the spine more clearl...

Journal: :Japanese Journal of Radiological Technology 2005

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