نتایج جستجو برای: intraoral digital radiography

تعداد نتایج: 328480  

Journal: :journal of dentomaxillofacil radiology, pathology and surgery 0
seiedeh tahereh mohtavipour oro-maxillofacial developmental diseases research center, department of oral and maxillofacial radiology, guilan university of medical sciences, dental faculty, rasht, iran fatemeh shahsavari department of oral & maxillofacial pathology, dental branch, islamic azad university, tehran, iran alieh sadat javadzadeh haghighat oro-maxillofacial developmental diseases research center, department of oral and maxillofacial radiology, guilan university of medical sciences, dental faculty, rasht, iran seiedeh saeideh mohtavipour department of pediatric dentistry, shahid beheshti university of medical sciences, dental faculty, tehran, iran milad malekshoar rasht, iran

introduction: various systems for intraoral digital radiography have been available as an alternative to film–based radiography. in consideration of several advantages of digital radiography such as less patient absorbed dose, manipulation of im age quality and elimination of processing, it has been extensively used in different fields of denti stry in recent years. the purpose of this study wa...

ژورنال: مجله دندانپزشکی 2021

Background and Aims: Pulpal exposures originated from the external cervical root resorptions have major effects on the treatment and prognosis. Therefore, the aim of this study was performed to compare the two different imaging systems-digital radiography with PSP (Photostimulable Phosphor) sensor in three horizontal different views and CBCT (cone beam computed tomography) images to assess the ...

Journal: :journal of dentistry, tehran university of medical sciences 0
l. khojastehpour h. khosropanah mj. kharazifard

statement of problem: digital subtraction radiography (dsr) needs reproducible alignment between the x-ray source, the object, and the film for obtaining identical projections of the same anatomic region. purpose: the aim of this study was to evaluate the effect of bite registrations (placed on individual bite blocks) on the reproducibility of parallel periapical radiographs, obtained every 2 m...

Journal: :iranian journal of radiation research 0
s.m.j. mortazavi school of medicine, rafsanjan university of medical sciences, rafsanjan, iran a. shareghi m. ghiassi-nejad a. kavousi m. jafari-zadeh f. nazeri

background: intraoral radiographies are the most frequent x-ray examinations in humans. according to international commission on radiation protection (icrp) recommendations, the selection of a diagnostic reference level (drl) should be specific to a country or region. critica l organs such as thyroid gland are exposed to x-rays in intraoral radiography and these exposures should be kept as low ...

2015
Adriana Gabriela Creanga Hassem Geha Vidya Sankar Fabricio B. Teixeira Clyde Alex McMahan Marcel Noujeim

PURPOSE The purpose of this study was to evaluate and compare the efficacy of cone-beam computed tomography (CBCT) and digital intraoral radiography in diagnosing simulated small external root resorption cavities. MATERIALS AND METHODS Cavities were drilled in 159 roots using a small spherical bur at different root levels and on all surfaces. The teeth were imaged both with intraoral digital ...

Alieh Sadat Javadzadeh Haghighat, Fatemeh Shahsavari, Habibeh Alimohammadi, Seyedeh Saeideh Mohtavipour, Seyedeh Tahereh Mohtavipour, Zahra Dalili Kajan,

Introduction: Various intraoral digital radiographic systems are available as an alternative to film-based radiography. Recent rapid progress in the field of digital radiography offers the possibility of image processing and manipulation. Pseudocolor filter is one of the tools of digital systems. The aim of this study was to compare diagnostic accuracy of proximal caries in black and white a...

Journal: :Compendium of continuing education in dentistry 2015
Curtis E Jansen

Although the overwhelming majority of dental offices now use digital radiography and patient records, relatively few yet use either stand-alone intraoral scanning systems (6%) or complete systems that combine intraoral scanning with computer-aided design and computer-aided manufacturing (12%). This should change as dentists become more aware of the numerous advantages scanning systems offer in ...

2009
Ilkay Peker Meryem Toraman Alkurt Oya Bala Bulent Altunkaynak

Objective. The purpose of this study was to evaluate the efficiency of operating microscope compared with unaided visual examination, conventional and digital intraoral radiography for proximal caries detection. Materialsand Methods. The study was based on 48 extracted human posterior permanent teeth. The teeth were examined with unaided visual examination, operating microscope, conventional bi...

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