نتایج جستجو برای: intraoral digital radiography

تعداد نتایج: 328480  

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...

Journal: :The Journal of prosthetic dentistry 2017
Jong-Eun Kim Ami Amelya Yooseok Shin June-Sung Shim

STATEMENT OF PROBLEM Intraoral scanners have been reported to have limited accuracy in edentulous areas. Large amounts of mobile tissue and the lack of obvious anatomic landmarks make it difficult to acquire a precise digital impression of an edentulous area with an intraoral scanner. PURPOSE The purpose of this in vitro study was to determine the effect of an artificial landmark on a long ed...

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...

2014
Tadas Venskutonis Povilas Daugela Marijus Strazdas Gintaras Juodzbalys

OBJECTIVES The aim of the present study was to compare the accuracy of intraoral digital periapical radiography and cone beam computed tomography in the detection of periapical radiolucencies in endodontically treated teeth. MATERIAL AND METHODS Radiographic images (cone beam computed tomography [CBCT] scans and digital periapical radiography [PR] images) from 60 patients, achieved from Septe...

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...

Journal: :shiraz e medical journal 2021

Background: Considering the severity of COVID-19 outbreak and its rapid person-to-person transmission challenges it has brought about in dentistry, especially intraoral radiography, following established guidelines prescribing radiographs is great prominence. Objectives: We aimed to evaluate necessity prescribed estimate number unnecessary prescriptions during pandemic. Methods: This cross-sect...

Journal: :The International journal of oral & maxillofacial implants 2003
Werner Zechner Georg Watzak André Gahleitner Dieter Busenlechner Gabor Tepper Georg Watzek

PURPOSE In patients with atrophic mandibles, elevation of the floor of the mouth often prevents intraoral rectangular radiography for longitudinal follow-up studies, while extraoral techniques such as panoramic radiographs tend to produce distorted views of the interforaminal region. In this study, intraoral rectangular radiographs and panoramic radiographs were compared for their accuracy in e...

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