نتایج جستجو برای: conventional diagnostic radiography

تعداد نتایج: 555087  

Journal: :The journal of contemporary dental practice 2010
Najmeh Anbiaee Anousheh Rashad Mohassel Mahrokh Imanimoghaddam Seyed Mostafa Moazzami

AIM The purpose of this laboratory research was to compare the accuracy of digital and conventional bitewing radiographs in the diagnosis of recurrent caries under class II amalgam restorations. METHODS AND MATERIALS This study involved 82 posterior intact teeth in which class II amalgam boxes were prepared. Carious lesions were simulated in half of the proximal boxes in the intersection betw...

Journal: :Diagnostic and interventional radiology 2014
Tolga İnal Gökçe Ataç

PURPOSE We aimed to determine the radiation doses delivered to patients undergoing general examinations using computed or digital radiography systems in Turkey. MATERIALS AND METHODS Radiographs of 20 patients undergoing posteroanterior chest X-ray and of 20 patients undergoing anteroposterior kidney-ureter-bladder radiography were evaluated in five X-ray rooms at four local hospitals in the ...

Journal: :Medicina oral, patologia oral y cirugia bucal 2008
Leopoldo Forner Navarro Maria Carmen Llena Puy Franklin García Godoy

OBJECTIVE To evaluate and compare the diagnostic efficiency of a digital radiographic system (RadioVisioGraphy -RVG-) in combination with a diagnostic assisting program (Logicon) with RVG in basic mode, magnification and conventional radiography (Kodak). STUDY DESIGN A study was made of 384 proximal surfaces corresponding to 192 posterior teeth. The diagnostic techniques employed comprised Ko...

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
r. paydar medical physics and biomedical engineering department, school of medicine, tehran university of medical sciences, tehran, iran a. takavar medical physics and biomedical engineering department, school of medicine, tehran university of medical sciences, tehran, iran m.r. kardan nuclear sciences research school, radiation applications research school, tehran, iran a. babakhani national radiation protection department, iranian nuclear regulatory authority, teheran iran m.r. deevband national radiation protection department, iranian nuclear regulatory authority, teheran iran s. saber pulmonary ward, shariati hospital, school of medicine, tehran university of medical sciences, tehran, iran

background: the radiation doses resulting from diagnostic x-ray examinations are routinely measured in terms of entrance surface dose (esd) and effective dose (ed). in this study, for the purpose of radiation protection, the radiation doses received from digital chest x-ray examination were evaluated in terms of esd and ed. material and methods: the ed was calculated by using the mcnp monte car...

Journal: :iranian endodontic journal 0
hamid jafarzadeh masoud beyrami maryam forghani

introduction: the purpose of this in vitro study was to compare the accuracy of working length determination using the apex locator versus conventional radiography in c-shaped canals. methods and materials: after confirming the actual c-shaped anatomy using cone-beam computed tomography (cbct), 22 extracted c-shaped mandibular second molars were selected and decoronated at the cemento-enamel ju...

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, iran +98- 1112291408-9,, [email protected] alireza mirshekar dental materials research center, department of oral and maxillofacial radiology, dental faculty, babol university of medical sciences, iran +98- 1112291408-9,, [email protected]; dental materials research center, department of oral and maxillofacial radiology, dental faculty, babol university of medical sciences, iran +98- 1112291408-9,, [email protected] ehsan moudi dental materials research center, department of oral and maxillofacial radiology, dental faculty, babol university of medical sciences, iran +98- 1112291408-9,, [email protected] maryam seyedmajidi dental materials research center, department of oral and maxillofacial radiology, dental faculty, babol university of medical sciences, iran +98- 1112291408-9,, [email protected] sina haghanifar dental materials research center, department of oral and maxillofacial radiology, dental faculty, babol university of medical sciences, iran +98- 1112291408-9,, [email protected] nima haghighat student research committee of babol university, dental faculty, babol university of medical sciences, mazandaran

background radiography plays an important role in the detection of interproximal caries. objectives the aim of the present study was to determine diagnostic accuracy of chargecoupled devices (ccd), photo stimulable phosphor (psp) and film radiography in detecting non-cavitated caries. patients and methods seventy-two non-cavitated approximal surfaces of extracted human posterior teeth were radi...

Journal: :American Journal of Orthodontics and Dentofacial Orthopedics 2017

2016
Zahrasadat Madani Ehsan Moudi Ali Bijani Elham Mahmoudi

INTRODUCTION The aim of this study was to compare the diagnostic value of cone-beam computed tomography (CBCT) and periapical (PA) radiography in detecting internal root resorption. METHODS AND MATERIALS Eighty single rooted human teeth with visible pulps in PA radiography were split mesiodistally along the coronal plane. Internal resorption like lesions were created in three areas (cervical,...

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