نتایج جستجو برای: direct digital radiography

تعداد نتایج: 737919  

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...

Journal: :journal of dental school, shahid beheshti university of medical sciences 0
s. valizadeh dept. of oral & maxillofacial radiology, school of dentistry, shahid beheshti university of medical sciences, tehran, iran. f. azimi dept. of oral & maxillofacial radiology, school of dentistry, gilan university of medical sciences, gilan, iran. h. babazadeh z. azizi dept. of oral & maxillofacial radiology, school of dentistry, shahid beheshti university of medical sciences, tehran, iran.

objective: diagnosis of vertical root fractures (vrfs) is critical in endodontics which most of the times occurs in endodontically treated teeth with root canal fillings such as gutta percha. despite cone beam computed tomography (cbct) has significantly enhanced image quality compared to digital radiography (dr) which aid the diagnosis, artifacts has remained as a problem in vrf detection . th...

Introduction: The study was undertaken to evaluate the practice of chest radiography using different digital imaging systems and its influence on dose and image quality.  Materials and Methods: The study was carried out in two hospitals from March 2016 to June 2016. Sixty ambulatory patients aged 21 to 60 years who were able to cooperate without difficulty and weighed between 60 to 80 kg were ...

Introduction: The aim of this study was to compare digital and conventional radiography in determining the working length of dilacerated canals.Methods: Thirty nine human extracted single-rooted teeth with root curvature more than 35 degrees were included in this study. After access preparation, a file was inserted into the canal and advanced until the file tip was visualized at the foramen. Wi...

Journal: :journal of dentistry, tehran university of medical sciences 0
mahdieh dehghani rasool barzegari hosein tabatabai sahar ghanea

objectives: this study aimed to assess the diagnostic value of conventional and digital radiography for detection of cavitated and non-cavitated proximal caries. materials and methods: fifty extracted human premolars and molars were mounted in a silicone block. charge-coupled device (ccd) and photostimulable phosphor plate (psp) receptors and intra-oral films were exposed with 60 and 70 kvp wit...

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: :iranian endodontic journal 0
mohammad mahdi aghdasi associate professor of radiology, dental school, shahid beheshti university of medical science mohammad asnaashari 2. associate professor of endodontics, dental school, shahid beheshti university of medical science, tehran, iran alireza aliari 3. dental student, dental research center, shahid beheshti university of medical sciences, tehran, iran farahnaz fahimipour 3. dental student, dental research center, shahid beheshti university of medical sciences, tehran, iran sepideh soheilifar 3. dental student, dental research center, shahid beheshti university of medical sciences, tehran, iran

introduction: inappropriate condensation of gutta-percha or improper use of sealer can lead to voids in root canal filling material and consequent failure of the treatment. timely detection of voids within root canal filling may prevent complications. in this study, we compared the accuracy of digital and conventional radiograph for detecting voids within root canal fillings . materials & metho...

2015
Mohamed M Abuzaid Rasha Saad W. Elshami S. Alyafei

The use of digital imaging for the diagnostic purpose has been increased during last few years. This technique has brought advancement in the field of radiography. The effect of digital imaging on workflow has a direct relation with the performance of technologists. Aim: The predestined aim of this study was to analyze the use and influence of digital imaging on the workflow of the radiologists...

Journal: :Practical procedures & aesthetic dentistry : PPAD 2006
Jeffrey C Hoos

In private practice, success is ensured when one balances the art, science, and business of dentistry. Advanced technology continues to expand the capabilities of the contemporary dental practice, providing tools that allow clinicians to achieve greater efficiencies and productivity. Digital radiography, as one such tool, conveys benefits such as patient safety, rapid image capture, and many ot...

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