نتایج جستجو برای: dental radiography

تعداد نتایج: 179016  

Journal: :journal of dentomaxillofacil radiology, pathology and surgery 0
seyedeh tahereh mohtavipour department of maxillofacial radiology, guilan university of medical sciences, rasht, iran shiva sadeghi department sciences research center, faculty of dentistry, guilan university of medical research, rasht, iran. seyedeh saeedeh mohtavipour department of pediatric dentistry, guilan university of medical sciences, rasht, iran. aliehsadat javadzadeh haghighat department of maxillofacial radiology, guilan university of medical sciences, rasht, iran maryam rezvani department of maxillofacial radiology, guilan university of medical sciences, rasht, iran. bahar mamoud khalesi department of maxillofacial radiology, guilan university of medical sciences, rasht, iran.

introdouction: canal length measurement is essential for proper endodontic treatment. any error or miscalculation in working length determination, particularly in curved canals, can result in complications during or after root canal therapy. digital radiography has enabled accurate measurement of curved canal length. in this study, we evaluated the accuracy of calibration of a complementary met...

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...

Journal: :avicenna journal of dental research 0
farzad esmaeili department of radiology, school of dentistry tabriz university of medical sciences and health services, tabriz, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی تبریز (tabriz university of medical sciences) teymour abbasi dentistry hospital of tabriz school of dentistry, tabriz university of medical sciences and health services, tabriz, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی تبریز (tabriz university of medical sciences) nazli rabienejad department of periodontics, school of dentistry hamadan university of medical sciences and health services, hamadan, ir iran; department of periodontics, school of dentistry, hamadan university of medical sciences and health services, hamadan, ir iran. tel: +98-9144193212, fax: +98-8138381085سازمان اصلی تایید شده: دانشگاه علوم پزشکی همدان (hamadan university of medical sciences) shabnam seyedzadeh sabounchi community oral health department, hamadan university of medical sciences, hamadan, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی همدان (hamadan university of medical sciences)

background the first commercial system for digital radiography was introduced in 1987, and it has evolved a great deal since then. currently, it is possible to enhance images in digital radiography. objectives the aim of this study is to evaluate the diagnostic accuracy of image enhancement in direct digital radiography as it relates to interproximal carries assessment. conclusions using these ...

Journal: :journal of dental school, shahid beheshti university of medical sciences 0
z. jaberi ansari dept. of restorative dentistry, school of dentistry, shahid beheshti university of medical sciences, tehran, iran. s. valizadeh dept. of oral & maxillofacial radiology, school of dentistry, shahid beheshti university of medical sciences, tehran, iran. z. hosseini dept. of orthodontics, school of dentistry, shahid beheshti university of medical sciences, tehran, iran. a. ghaznavi dept. of oral & maxillofacial radiology, school of dentistry, urmia university of medical sciences, urmia, iran.

objective: when none of digital systems and scanners is accessible and it is essential to have digitized images of conventional radiographs, digital cameras can be used. the aim of this study was to investigate whether digital images obtained by different resolutions of a digital camera are matched to the original radiographs in evaluation of caries. methods: in this diagnostic accuracy in vitr...

Journal: :Stomatologija 2009
Vytaute Peciuliene Jurate Rimkuviene Rasma Maneliene Saulius Drukteinis

OBJECTIVE To gather information about the radiographic facilities and techniques used by Lithuanian general dentists. MATERIALS AND METHODS Questionnaires were sent to all 2879 Lithuanian dental practitioners registered on the Lithuanian Dental Chamber licence registry data list. The questionnaire was made with multiple-choice answers. Respondents were invited to choose the only one category ...

Journal: :iranian journal of radiology 0
farzad esmaeli department of oral and maxillofacial radiology, faculty of dentistry, tabriz university of medical sciences, iran adileh shirmohammadi department of periodontics, faculty of dentistry, tabriz university of medical sciences, iran +98-4113355965, [email protected]; department of periodontics, faculty of dentistry, tabriz university of medical sciences, iran +98-4113355965, [email protected] masoumeh faramarzie department of periodontics, faculty of dentistry, tabriz university of medical sciences, iran +98-4113355965, [email protected] nader abolfazli department of periodontics, faculty of dentistry, tabriz university of medical sciences, iran +98-4113355965, [email protected] hossein rasouli department of periodontics, faculty of dentistry, tabriz university of medical sciences, iran +98-4113355965, [email protected] saied fallahi department of periodontics, faculty of dentistry, tabriz university of medical sciences, iran +98-4113355965, [email protected]

background diagnosis and accuracy in determining the exact location, extent and configuration of bony defects of the jaw are of utmost importance to determine prognosis, treatment planning and long-term preservation of teeth. if relatively accurate diagnosis can be established by radiography, proper treatment planning prior to treatment procedures will be possible. objectives the aim of the pre...

Journal: :iranian endodontic journal 0
leila khojastepour department of oral radiology, dental school, shiraz university of medical sciences, shiraz, iran naser rahimizadeh endodontist, shiraz, iran akbar khayat department of endodontics, dental school, shiraz university of medical sciences, and iranian center for endodontic research, tehran, iran

introduction: knowledge of the anatomic location and dimension of the molar pulp chamber may preserve healthy pulp during operative procedure and reduce risk of perforation of chamber during access preparation. a review of literatures regarding the morphology of pulp chamber however revealed very little information; so the aim of this in vivo study was to measure the dimensions of first molar p...

Journal: :journal of dentistry, tehran university of medical sciences 0
zahra bahrololoomi associated professor, department of pediatric, school of dentistry, shahid sadoughi university of medical sciences, yazd, iran fateme ezoddini associated professor, department of radiology, school of dentistry, shahid sadoughi university of medical sciences, yazd, iran niloofar halvani3 postgraduated student, department of pediatric, school of dentistry, shahid sadoughi university of medical sciences, yazd, iran

o bjectives: early diagnosis of incipient and non cavitated carious lesions is crucial for performing preventive treatments. the aim of this study was to compare the effi- ciency of three diagnostic methods of bite-wing radiography, diagnodent, and visu- al examination in diagnosing the incipient occlusal caries of permanent first molars. materials and methods:  in this diagnostic cross-section...

Journal: :journal of dentistry, tehran university of medical sciences 0
mahkameh moshfeghi majid shahbazian soodabeh sadat sajadi sepideh sajadi hossein ansari

objectives : optimum viewing conditions facilitate identification of radiographic details and decrease the need for retakes, patients’ costs and radiation dose. this study sought to evaluate the effects of different viewing conditions on radiographic interpretation. materials and methods: this diagnostic study was performed by evaluating radiograph of a 7mm-thick aluminum block, in which 10 hol...

Journal: :journal of dentistry, tehran university of medical sciences 0
leila khojastepour associated professor, department of oral radiology, school of dentistry, shiraz university of medical sciences, shiraz, iran. pegah bronoosh assistant professor, department of oral radiology, school of dentistry, shiraz university of medical sciences, shiraz, iran. shahdad khosropanah associated professor, department of cardiology, school of medicine, shiraz university of medical sciences, shiraz, iran. elham rahimi student research committee, school of medicine, shiraz university of medical sciences, shiraz, iran.

to report the association of pulp calcification with that of cardiovascular disease (cvd) using digital panoramic dental radiographs.digital panoramic radiographs of patients referred from the angiography department were included if the patient was under 55 years old and had non-restored or minimally restored molars and canines. an oral and maxillofacial radiologist evaluated the images for pul...

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