نتایج جستجو برای: direct digital radiography rvg

تعداد نتایج: 738005  

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...

2012
An De Hauwere Hubert Thierens

The impact of digitalization on the average glandular doses in 49 mammographic units participating in the Flemish Breast Cancer Screening Program was studied. Screen-film was changed to direct digital radiography and computed radiography in 24 and 25 departments respectively. Average glandular doses were calculated before and after digitalization for different PMMAphantom thicknesses and for gr...

H Montazer lotf elahi , M Dehghani, M Moeini, R Bardal,

Background and Aim: Cone beam computed tomography (CBCT) produces high-quality data in periodontal diagnosis and treatment planning. The aim of this study was to compare the accuracy of CBCT with intraoral digital and conventional radiography in the measurement of periodontal bone defects.  Methods and Materials: In this diagnostic research, two hundred and eighteen artificial osseous d...

Journal: :Journal of the American College of Radiology : JACR 2007
Mark B Williams Elizabeth A Krupinski Keith J Strauss William K Breeden Mark S Rzeszotarski Kimberly Applegate Margaret Wyatt Sandra Bjork J Anthony Seibert

This article on digital radiography image acquisition is the first 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 processing and display. The articles were developed collaboratively by the ACR, the American Association of Physicists in Medicine, and the...

Journal: :iranian journal of radiology 0
farida abesi dental materials research center, department of oral and maxillofacial radiology, dental faculty, babol university of medical sciences, babol, iran nima nikafshar student research committee, dental faculty, babol university of medical sciences, babol, iran sina haghanifar dental materials research center, department of oral and maxillofacial radiology, dental faculty, babol university of medical sciences, babol, iran; dental materials research center, department of oral and maxillofacial radiology, dental faculty, babol university of medical sciences, babol, iran. tel: +98-1132291408, fax: +98-1132291093 soraya khafri social medical and health department, babol university of medical sciences, babol, iran mahtab hamzeh department of pediatric dentistry, dental faculty, babol university of medical sciences, babol, iran

results there was no significant differences between if and conventional mode regarding visibility of mic (p > 0.05). conclusion although using if caused improved visibility of mic, the difference with conventional mode was not statistically different. patients and methods in this cross-sectional study, 2580 digital panoramic images of 18 to 70-year-old patients were inspected for presence of m...

Journal: :journal of dentomaxillofacil radiology, pathology and surgery 0
maryam ehsani dental material research center, department of endodontics, babol university of medical sciences, babol, iran farida abesi dental material research center department of oral and maxillofacial radiology, babol university of medical sciences, babol, iran. sina haghanifar dental material research center department of oral and maxillofacial radiology, babol university of medical sciences, babol, iran. sorayya khafri department of social medicine, babol university of medical sciences, babol, iran. mahtab hamzeh dental material research center babol university of medical sciences, babol, iran. ayub habibi dental material research center

introduction: optimal radiopacity is one of the properties required for a root canal sealer that helps the distinction between the sealer and surrounding anatomic structures and evaluation of the quality of root filling. so, the purpose of this study was to evaluate the radiopacity of six root canal sealers at different focal distances. materials and methods: in this in vitro study, six endodon...

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...

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