نتایج جستجو برای: digital dental radiology

تعداد نتایج: 536888  

Journal: :iranian endodontic journal 0
eshagali saberi ladan hafezi narges farhadmolashahi manoochehr mokhtari

introduction: good radiographs are required for endodontic therapy and because some patient’s are intolerant to intraoral films and/or sensors, this can cause complications in endodontic treatment. extraoral film placement can be used to obtain clinically diagnostic and working radiographs. materials and methods: the no. 2 receptor was placed against the model ’ s cheek and centered in the mola...

2014
Richa Wadhawan Sumeet Sharma Siraj D. A. A. Khan Gaurav Solanki Rashmi Dash

Oral Medicine, Radiology & Diagnosis, Jodhpur Dental College General Hospital, Jodhpur, Rajasthan, India. Orthodontics & Dentofacial Orthopedics, Jodhpur Dental College General Hospital, Jodhpur, Rajasthan, India. Pedodontics & Preventive Dentistry, Jodhpur Dental College General Hospital, Jodhpur, Rajasthan, India. Jodhpur Dental College Jodhpur Dental College General Hospital, Jodhpur, Rajast...

Fahimeh Mortazavi, Leila Khojastepour, Mohammad SadeghBirjandi, Najmeh Movahhedian,

Introdouction:The study aimed to compare the accuracy of proximal caries detection by dental practitioners using two different systems, direct digital system and conventional films, under routine environmental conditions. Materials and methods: Eleven extracted human posterior teeth were mounted on wax frames and were exposed using the direct digital system and conventional films. Seventy-four ...

Journal: :journal of dentomaxillofacil radiology, pathology and surgery 0
neda hajihassani department of endodontics, dental school, qazvin university of medical sciences, qazvin, iran maryam tofangchiha department of oral and maxillofacial radiology, dental school, qazvin university of medical sciences, qazvin, iran mojtaba hossein nahtaj private practice, qazvin, iran

introduction: external root resorption is a clinical problem that often cannot be detected clinically. thus, radiography plays a crucial role in its diagnosis. however, optimal radiographic quality with minimal radiation exposure {2.1 [en] verify english word/phrase choice} is an important factor in selecting the appropriate radiographic technique. the aim of this study was the comparison of ac...

Journal: :Radiation protection dosimetry 2007
B Poppe H K Looe A Pfaffenberger F Eenboom N Chofor M Sering A Rühmann A Poplawski K Willborn

In this study, dose area product measurements have been performed to propose diagnostic reference levels (DRLs) in intraoral dental radiology. Measurements were carried out at 60 X-ray units for all types of intraoral examinations performed in clinical routine. The third quartile values calculated range from 26.2 to 87.0 mGy cm(2). The results showed that there exists a large difference between...

Journal: :journal of dental research, dental clinics, dental prospects 0
shirin sakhdari islamic azad university,dental branch,tehran. zohreh khalilak islamic azad university,dental branch,tehran. elham najafi rezvaneh cheraghi royan institute for reproductive biomedicine, acecr,tehran

background and aims. early diagnosis of external root resorption is important for accurate treatment. the purpose of this study was to compare the efficacy of a charge-coupled device (ccd) sensor and a photostimulable phosphor (psp) plate receptor in the diagnosis of artificial external root resorption. materials and methods. in this diagnostic in-vitro study, 40 maxillary incisors were mounted...

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...

2012
Rupa Chandramala Ridhima Sharma Mubeen Khan Anurag Srivastava

Different types of radiographs of dental structures undoubtedly offer a least destructive approach to age estimation of individuals, but most of these methods are based on the calcification stages of the developing teeth. Very limited studies have been carried out in India using Kvaal’s technique based on pulp changes on radiographs as a tool for age estimation. Further, only few studies have b...

Journal: :Nagoya journal of medical science 1993
T Ishigaki M Ikeda K Shimamoto H Hirota N Makino

Future hospital information systems should permit the systematic storage of all information generalized within the hospital, including medical diagnostic images. For such a system to be realized, implementation of a picture archiving and communication system (PACS) is needed. The development of computed radiography with an imaging plate (CR) has made it possible for digitalization of all kinds ...

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