نتایج جستجو برای: radiographic quality

تعداد نتایج: 779327  

Journal: :iranian journal of medical physics 0
abolfazl lakdashti ph.d. student of computer engineering, islamic azad university, research and science branch, tehran, iran mohammad shahram moin assistant professor and director of multimedia research group, it faculty, iran telecom research center, tehran, iran kambiz badie associate professor and director of it faculty, iran telecom research center, tehran, iran

introduction: content based image retrieval (cbir) is a method of image searching and retrieval in a  database. in medical applications, cbir is a tool used by physicians to compare the previous and current  medical images associated with patients pathological conditions. as the volume of pictorial information  stored in medical image databases is in progress, efficient image indexing and retri...

2012

actual focal spot automatic exposure control comparator coulomb/kilogram detector effective focal spot focal spot blooming grid latitude grid uniformity half-value layer high-frequency homogenous phantom ion chamber kilowatt rating Law of Reciprocity linear tomography line focus principle linearity mobile x-ray generator objective plane photodetector pluridirectional tomography portable x-ray g...

Journal: :International endodontic journal 2010
M G Khabbaz E Protogerou E Douka

AIM To evaluate the radiographic technical quality of root fillings and the incidence of iatrogenic errors in treatment provided by undergraduate students. METHODOLOGY Endodontic records and periapical radiographs of 759 root filled teeth were selected following exclusion of 25 (3.3%). A final total of 734 cases were used to assess the technical quality of root fillings in 1109 root canals pe...

Journal: :Arthritis and rheumatism 2013
Adrian Ciurea Almut Scherer Pascale Exer Jürg Bernhard Jean Dudler Brigitte Beyeler Rudolf Kissling Daniel Stekhoven Kaspar Rufibach Giorgio Tamborrini Bettina Weiss Rüdiger Müller Michael J Nissen Beat A Michel Désirée van der Heijde Maxime Dougados Annelies Boonen Ulrich Weber

OBJECTIVE To evaluate the baseline characteristics of patients with radiographic axial spondyloarthritis (SpA; ankylosing spondylitis [AS]) and patients with nonradiographic axial SpA, to investigate determinants of anti-tumor necrosis factor (anti-TNF) agent prescription on the background of a nonrestrictive reimbursement policy, and to assess the response to TNF inhibition. METHODS We compa...

2011
Rani B.Venkatraman Baldev Raj

P.Chitra ,B.Sheela Rani,B.Venkatraman,Baldev Raj 1,2 Sathyabama university,chennai 119 3,4 Indira Gandhi Centre for Atomic Research, Kalpakkam. [email protected] Abstract: Radiography is one of the methods to find volumetric defects in Non Destructive Technique (NDT). Radiographic film is digitized for the further assessment of the defects. The successful use of radiography depends on th...

2012
Manoel Brito-Júnior Carla Cristina Camilo Daniela Araújo Veloso Popoff Rajiv Saini André Luis Faria-e-Silva

This study evaluated the radiographic technical quality of preclinical and clinical root canal fillings (RCF) performed by undergraduate students on single-rooted teeth. Two independent calibrated endodontic specialists evaluated 94 preclinical radiographs (group 1) and 96 clinical radiographs (group 2). The apical length of each RCF was categorized as acceptable (0-2.0 mm short of the radiogra...

2017
Shadi Asadollahi Masoumeh Pourali Kamran Heidari

Background and purpose - Manipulation and cast immobilization is the primary management for diaphyseal forearm fractures in children, and re-displacement is the most common complication. We wanted (1) to analyze the incidence of re-displacement in a group of children treated with close reduction and casting; (2) to determine predictive factors such as demographics, mechanism of injury, affected...

2015
Ha Yong Kim Dae Suk Yang Chang Kyu Park Won Sik Choy

BACKGROUND We analyzed the extent of the comminution in the acetabular weight-bearing area, the clinical and radiographic results, and the complications after a minimum 2-year follow-up of the modified Stoppa approach for the treatment of acetabular fractures, and we attempted to evaluate the efficacy of the operative technique. METHODS All of the 22 patients, who needed the anterior approach...

Journal: :iranian endodontic journal 0
roza haghgoo department of pedodontics, dental school, shahed university of medical sciences, tehran, iran farid abbasi department of oral medicine, dental school, shahed university of medical sciences, tehran, iran.

introduction: pulpotomy of carious primary teeth with an exposed pulp is a common treatment option. pulpotomy has been conducted with various medicaments over the years. the aim of this study was to evaluate clinical and radiographic success of primary vital pulpotomy with proroot and root mta. materials and methods: in this randomized clinical trial, children aged between 3-7 years who met the...

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