نتایج جستجو برای: direct digital radiography

تعداد نتایج: 737919  

Journal: :Japanese Journal of Radiological Technology 1991

2011
Mohammad Mahdi Aghdasi Mohammad Asnaashari Alireza Aliari Farahnaz Fahimipour Sepideh Soheilifar

INTRODUCTION Inappropriate condensation of gutta-percha or improper use of sealer can lead to voids in root canal filling material and consequent failure of the treatment. Timely detection of voids within root canal filling may prevent complications. In this study, we compared the accuracy of digital and conventional radiograph for detecting voids within root canal fillings. MATERIALS AND MET...

Journal: :Journal of Medical Radiation Sciences 2014

2014
Shikha Nandal Himanshu Shekhawat Pankaj Ghalaut

DSR has made a significant improvement in the detection of dental & maxillofacial lesions. The Digital Subtraction Radiography is used to compare standardized radiographs taken at sequential examination visits. All unchanged structures are subtracted and these areas are displayed in neutral gray shade in the subtraction image; while regions that have changed are displayed in darker or lighter s...

2017

Study of Image quality parameters like Contrast, SNR and MTF for Digital Radiography with FPD were carried out at different X-Ray tube variables like energy of X-Ray (kV) and tube current (mA) for different welded tube thicknesses. Experiments of Digital Radiography were carried out on butt welded tubes. Images of these welded tubes were taken with different kV and mA on actual working setup ke...

Journal: :journal of dentistry, tehran university of medical sciences 0
leila khojastepour associated professor, department of oral radiology, school of dentistry, shiraz university of medical sciences, shiraz, iran. pegah bronoosh assistant professor, department of oral radiology, school of dentistry, shiraz university of medical sciences, shiraz, iran. shahdad khosropanah associated professor, department of cardiology, school of medicine, shiraz university of medical sciences, shiraz, iran. elham rahimi student research committee, school of medicine, shiraz university of medical sciences, shiraz, iran.

to report the association of pulp calcification with that of cardiovascular disease (cvd) using digital panoramic dental radiographs.digital panoramic radiographs of patients referred from the angiography department were included if the patient was under 55 years old and had non-restored or minimally restored molars and canines. an oral and maxillofacial radiologist evaluated the images for pul...

Journal: :Medicina oral, patologia oral y cirugia bucal 2010
José V Ríos-Santos Cristina Ridao-Sacie Pedro Bullón Ana Fernández-Palacín Juan J Segura-Egea

AIM To compare the use of film-based periapical radiographs and digital panoramic images displayed on monitor and glossy paper in the assessment of the periapical status of the teeth. METHODOLOGY A total of 86 subjects were examined. All participants underwent a full-mouth radiographic survey (14 periapical radiographs) and a digital panoramic radiography. The periapical status of all apprais...

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