نتایج جستجو برای: digital radiography

تعداد نتایج: 325160  

Journal: :Radiographics : a review publication of the Radiological Society of North America, Inc 2007
Markus Körner Christof H Weber Stefan Wirth Klaus-Jürgen Pfeifer Maximilian F Reiser Marcus Treitl

During the past two decades, digital radiography has supplanted screen-film radiography in many radiology departments. Today, manufacturers provide a variety of digital imaging solutions based on various detector and readout technologies. Digital detectors allow implementation of a fully digital picture archiving and communication system, in which images are stored digitally and are available a...

A Ghaznavi, A Iranparvar, A Yarahmadi, AR Talayi Pour , L Hafezi, L Sahabi,

Background and Aim: Clinical and radiographic diagnoses of dental root fractures have always been difficult and require high accuracy in dental care and treatment. The aim of this study was to compare the diagnostic accuracy of intraoral digital radiography (PSP) and CBCT in the detection of horizontal and vertical root fractures (HRF and VRF). Materials and Methods: For this experimental stud...

Alieh Sadat Javadzadeh Haghighat, Fatemeh Shahsavari, Milad Malekshoar, Seiedeh Saeideh Mohtavipour, Seiedeh Tahereh Mohtavipour,

Introduction: Various systems for intraoral digital radiography have been available as an alternative to film–based radiography. In consideration of several advantages of digital radiography such as less patient absorbed dose, manipulation of im‌age quality and elimination of processing, it has been extensively used in different fields of denti‌stry in recent years. The purpose of this study wa...

Journal: :journal of dentomaxillofacil radiology, pathology and surgery 0
seiedeh tahereh mohtavipour oro-maxillofacial developmental diseases research center, department of oral and maxillofacial radiology, guilan university of medical sciences, dental faculty, rasht, iran fatemeh shahsavari department of oral & maxillofacial pathology, dental branch, islamic azad university, tehran, iran alieh sadat javadzadeh haghighat oro-maxillofacial developmental diseases research center, department of oral and maxillofacial radiology, guilan university of medical sciences, dental faculty, rasht, iran seiedeh saeideh mohtavipour department of pediatric dentistry, shahid beheshti university of medical sciences, dental faculty, tehran, iran milad malekshoar rasht, iran

introduction: various systems for intraoral digital radiography have been available as an alternative to film–based radiography. in consideration of several advantages of digital radiography such as less patient absorbed dose, manipulation of im age quality and elimination of processing, it has been extensively used in different fields of denti stry in recent years. the purpose of this study wa...

Journal: :Journal of the American College of Radiology : JACR 2007
Elizabeth A Krupinski Mark B Williams Katherine Andriole Keith J Strauss Kimberly Applegate Margaret Wyatt Sandra Bjork J Anthony Seibert

This article on digital radiography image processing and display is the second of two articles written as part of an intersociety effort to establish image quality standards for digital and computed radiography. The topic of the other paper is digital radiography image acquisition. The articles were developed collaboratively by the ACR, the American Association of Physicists in Medicine, and th...

Journal: :Journal of the College of Physicians and Surgeons--Pakistan : JCPSP 2008
Waseem Akhtar Mubashir Aslam Arif Ali Kashif Mirza Nadeem Ahmad

OBJECTIVE To determine the film-retake rates and causes in digital radiography comparison to conventional X-rays method. STUDY DESIGN Comparative study. PLACE AND DURATION OF STUDY Radiology Department, Aga Khan University Hospital, Karachi, from January 2004 to December 2006. PATIENTS AND METHODS X-rays of different body parts, conducted during the year 2004, with conventional radiograph...

2011
Belma Muhamedagic Lejla Muhamedagic

Belma Muhamedagic, Lejla Muhamedagic Faculty of Medicine, University of Sarajevo, Bosnia and Herzegovina ography-RVG, Trophy Radiologie, Croissy Beaubourg, France [now Trophy, A Kodak Company, Rochester, N.Y.]). RVG is modern diagnostic method based on use of digital roentgen. Principle is use of so called CCD chip in RVG sensor (Figure 1) that put in patient’s mouth (3). The first dental digit...

Journal: :iranian journal of radiology 0
solmaz valizadeh department of oral and maxillofacial radiology, school of dentistry, shahid beheshti university of medical sciences, tehran, iran mostafa goodini department of endodontics, school of dentistry, shahid beheshti university of medical sciences, tehran, iran sara ehsani dental research center, research institute of dental sciences, shahid beheshti university of medical sciences, tehran, iran; dental research center, research institute of dental sciences, shahid beheshti university of medical sciences, tehran, iran. tel: +98-2122413897, fax: +98-2122427753 hadis mohseni department of computer engineering, shahid bahonar university of kerman, kerman, iran fateme azimi department of oral and maxillofacial radiology, school of dentistry, shahid beheshti university of medical sciences, tehran, iran hooman bakhshandeh cardiovascular intervention research center, rajaie cardiovascular medical and research center, tehran university of medical sciences, tehran, iran

conclusions the designed software was able to detect a significant number of dentin caries and acceptable measuring of the depth of carious lesions in enamel and dentin. however, the software had limited ability in detecting enamel lesions. background radiographs, adjunct to clinical examination are always valuable complementary methods for dental caries detection. recently, progressing in digi...

Journal: :journal of dentomaxillofacil radiology, pathology and surgery 0
najmeh movahhedian department of oral and maxillofacial radiology, faculty of dentistry, shiraz university of medial science, shiraz, iran leila khojastepour department of oral and maxillofacial radiology, faculty of dentistry, shiraz university of medial science, shiraz, iran fahimeh mortazavi department of oral and maxillofacial radiology, faculty of dentistry, shiraz university of medial science, shiraz, iran mohammad sadeghbirjandi

introdouction:the study aimed to compare the accuracy of proximal caries detection by dental practitioners using two different systems, direct digital system and conventional films, under routine environmental conditions. materials and methods: eleven extracted human posterior teeth were mounted on wax frames and were exposed using the direct digital system and conventional films. seventy-four ...

Journal: :avicenna journal of dental research 0
sanam mirbeygi department of oral and maxilofacial radiology, shahid sadoughi university of medical sciences, yazd, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید صدوقی یزد (shahid sadooghi university of medical sciences) maryam kazemipoor department of endodontics, shahid sadoughi university of medical sciences, yazd, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید صدوقی یزد (shahid sadooghi university of medical sciences) sahar ghane department of oral and maxillofacial rafiology, rafsanjan university of medical science, rafsanjan, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی رفسنجان (rafsanjan university of medical sciences) simin shafiei department of oral and maxilofacial radiology, shahid sadoughi university of medical sciences, yazd, ir iran; department of oral and maxilofacial radiology, school of dentistry, shahid sadoughi university of medical sciences, emam st. dahe fajr blv., yazd, ir iran. tel: +98-3536255881-4; +98-9126887642, fax: +98-3536250344سازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید صدوقی یزد (shahid sadooghi university of medical sciences)

conclusions according to the results of this study, the accuracy of the file length in improved digital images showed no significant difference in comparison with the actual file length. materials and methods using an analytical-diagnostic method, an access cavity was prepared in 36 mandibular and maxillary premolar teeth. a file # 15 was inserted into the canal of each tooth until the tip of t...

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