نتایج جستجو برای: digital radiography

تعداد نتایج: 325160  

Journal: :The journal of contemporary dental practice 2004
Muralidhar Mupparapu Sarika Arora

Digital radiography has gained immense popularity in dentistry today in spite of the early difficulty for the profession to embrace the technology. The transition from film to digital has been happening at a faster pace in the fields of Orthodontics, Oral Surgery, Endodontics, Periodontics, and other specialties where the radiographic images (periapical, bitewing, panoramic, cephalometric, and ...

2017

Developments in digital radiography (DR) may have held the high ground of x-ray imaging on the RSNA exhibit floor this year, but technical improvements in surgical C-arms, conventional radiography/fluoroscopy, and angiography equipment were exciting, even extraordinary in some cases. Advanced software applications in x-ray have flourished as well, particularly in 3D imaging and digital displays...

2013
Hideki Shigematsu Munehisa Koizumi Masana Yoneda Jin Iida Takuya Oshima Yasuhito Tanaka

STUDY DESIGN Prospective study. PURPOSE The main purpose of this study was to clarify the range of magnification errors on digital plain radiographs and to determine if there is a correlation between the body mass index (BMI) of a patient and the magnification error. OVERVIEW OF LITERATURE Most clinicians currently use digital plain radiography. This new method allows one to access images a...

Journal: :avicenna journal of dental research 0
janet moradi haghgoo department of periodontics, school of dentistry, hamadan university of medical sciences, hamadan, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی همدان (hamadan university of medical sciences) abbas shokri department of radiology, school of dentistry, hamadan university of medical sciences, hamadan, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی همدان (hamadan university of medical sciences) fatemeh azizi department of orthodontics, school of dentistry, hamadan university of medical sciences, hamadan, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی همدان (hamadan university of medical sciences) nazli rabienejad department of periodontics, school of dentistry, hamadan university of medical sciences, hamadan, ir iran; department of periodontics, school of dentistry, hamadan university of medical sciences, hamadan, ir iran. tel: +98-8138381074, fax: +98-8138381085سازمان اصلی تایید شده: دانشگاه علوم پزشکی همدان (hamadan university of medical sciences)

background radiographs play an integral role in the assessment of periodontal disease. in recent years, advent of digital imaging has revolutionized radiology in dentistry. patients and methods in this diagnostic accuracy study, 48 inter proximal surfaces were evaluated in eight patients. these patients had alveolar bone loss in anterior regions because of periodontitis. intraoral (parallel per...

2014
William Ching John Robinson Mark McEntee

INTRODUCTION Digital technology has wider exposure latitude and post-processing algorithms which can mask the evidence of underexposure and overexposure. Underexposure produces noisy, grainy images which can impede diagnosis and overexposure results in a greater radiation dose to the patient. These exposure errors can result from inaccurate adjustment of exposure factors in response to changes ...

2011
Seiedeh Tahereh Mohtavipour Zahra Dalili Nasim Gheshlaghi Azar

PURPOSE The purpose of this study was to compare the conventional and digital radiography in the estimation of working length in mandibular molars. MATERIALS AND METHODS Sixty molar teeth were selected and divided into three groups in the basis of canal curves (0-15°, 15-30°, >30°). After the placement of a 15 K-file, radiographs were taken with a conventional film (F-speed) and a digital sen...

2013
Mahkameh Moshfeghi Soodabeh Sadat Sajadi Sepideh Sajadi Majid Shahbazian

OBJECTIVE Successful endodontic therapy depends on adequate mechanical and chemical debridement of the canal which requires knowledge of the canal morphology. Conventional radiography has been used to evaluate the canal type; however, direct digital radiography has recently been practiced for this purpose due to the shortcomings of conventional radiography. The aim of the present study was to c...

A. Banaei, F. Falahati, H. Zamani, R. Abedi-Firouzjah, S.M. Hosseini, Y. Moghimi, Z. Hoseini Motlagh,

Background: The aim of this study was to estimate the cancer risks and mortalities of different types induced by routine examinations of digital radiography for one year in Mazandaran province, Iran. Materials and methods: Radiation parameters and calculated entrance skin dose (ESD) values of 13 digital radiographic examinations were collected from 2340 patients at 18 high-patient-load radiogra...

2017
A. Radhakrishnan

BACKGROUND Urethral stent placement is an interventional treatment option to alleviate urethral outflow obstruction. It has been described utilizing fluoroscopy, but fluoroscopy is not as readily available in private practice as digital radiography. OBJECTIVES To describe the use of digital radiography for urethral stent placement in dogs with obstructive uropathy. ANIMALS Twenty-six client...

2015
Ali Bagherpour Maryam Mojtahedi Mahrokh Imanimoghaddam Hamid Jafarzadeh

Introduction: The aim of this study was to compare digital and conventional radiography in determining the working length of dilacerated canals. Methods: Thirty nine human extracted single-rooted teeth with root curvature more than 35 degrees were included in this study. After access preparation, a file was inserted into the canal and advanced until the file tip was visualized at the foramen. W...

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