نتایج جستجو برای: intraoral digital radiography

تعداد نتایج: 328480  

Journal: :iranian endodontic journal 0
abbas mesgarani sina haghanifar maryam ehsani samereh dokhte yaghub ali bijani

introduction: external root resorption (err) is associated with physiological and pathological dissolution of mineralized tissues by clastic cells and radiography is one of the most important methods in its diagnosis. the aim of this experimental study was to evaluate the accuracy of conventional intraoral radiography (cr) in comparison with digital radiographic techniques, i.e. charge-coupled ...

Journal: :iranian journal of radiation research 0
a. eskandarlou school of dentistry, department of radiology, hamadan university of medical sciences, hamadan, iran k. ghazi-khanlou sani school of para-medicine, department of radiology, hamadan university of medical sciences, hamadan, iran a.r. mehdizadeh school of medicine, department of medical physics, shiraz university of medical sciences, shiraz, iran

background: in recent decades many guidelines has been conducted by radiation protection organizations about radiation protection in dentistry. this study aimed to evaluate the observance of these guidelines in educational clinics of all dental schools in iran. material and methods: in this cross-sectional study a self-administered questionnaire, based on national radiation protection board (nr...

Journal: :avicenna journal of dental research 0
fatemeh salemi department of oral and maxillofacial radiology, faculty of dentistry, hamadan university of medical sciences, hamadan, ir iran; department of oral and maxillofacial radiology, faculty of dentistry, hamadan university of medical sciences, hamadan, ir iran. tel: +98-9183126863سازمان اصلی تایید شده: دانشگاه علوم پزشکی همدان (hamadan university of medical sciences) abbas shokri department of oral and maxillofacial radiology, faculty of dentistry, hamadan university of medical sciences, hamadan, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی همدان (hamadan university of medical sciences) sepideh falah-kooshki department of oral and maxillofacial radiology, faculty of dentistry, hamadan university of medical sciences, hamadan, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی همدان (hamadan university of medical sciences)

background identification of common technical errors during preparation of panoramic radiographs, how affect the quality and interpretation of the radiographs and the techniques used to deal with such errors, might help prevent unnecessary radiation to patients and save their time and money. objectives the current study aimed to identify common errors in the panoramic radiographs taken by post-...

Journal: :Pediatric dentistry 2007
Lourdes Santos-Pinto Rita de Cássia Loiola Cordeiro Angela Cristina Cilense Zuanon Maria Daniela Basso Marcela Almeida Gonçalves

PURPOSE The purpose of this in vivo study was to compare the accuracy of primary incisor length determined by direct digital radiography (straight-line measurement and grid superimposition) and measurement of the actual tooth length. METHODS Twenty-two primary maxillary incisors that required extractions were selected from 3- to 5-year-old children. The teeth were radiographed with an intraor...

2011
Rahul Kumar Neha Khambete Ekta Priya

It is difficult to take intraoral radiographs in some patients who are intolerable to place the film in their mouth. For these patients, Newman and Friedman recommended a new technique of extraoral film placement. Here we report various cases that diagnostic imaging was performed in patients using the extraoral periapical technique. This technique was used to obtain the radiographs for the pati...

Naghmeh Abdollahi Seyedeh Saeede Mohtavipour Seyedeh Tahereh Mohtavipour Somayeh Nemati

Introduction: Dental caries is the most common chronic condition in children. Recently, there has been a growing tendency to using digital panoramic radiography among clinicians. The present study aimed to determine the accuracy of digital panoramic radiography with and without software enhancement in the diagnosis of proximal dental caries in primary molars. Methods: This study was conducted u...

Journal: :Journal of prosthodontics : official journal of the American College of Prosthodontists 2015
Su Ting-Shu Sun Jian

With the techniques of computer-aided design and computer-aided manufacturing (CAD/CAM) being applied in the field of prosthodontics, a concept of intraoral digital impressions was put forward in the early 1980s. It has drawn comprehensive attention from dentists and has been used for dental prosthesis fabrication in a number of cases. This new digital impression technique is expected to bring ...

G. Hodolli, G. Nafezi, M. Bahtijari, N. Syla, S. Kadiri,

Background: The aim of this study was to measure and determine diagnostic reference levels (DRLs) of programs used at intraoral and dent panoramic examinations in Kosovo. Materials and Methods: To determine DRL, were performed measurements for dose area product (DAP) at intraoral and dental panoramic radiology systems. This study has covered over 47% of X-ray units, which are in use for intraor...

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