نتایج جستجو برای: dental radiography

تعداد نتایج: 179016  

Journal: :مجله دانشگاه علوم پزشکی شهید صدوقی یزد 0
آناهیتا مرامی a marami . [email protected] ربابه نورمحمدی r noormohammadi مستانه جواهری m javaheri

introduction: radiography is one of the most important diagnostic methods for evaluation of dental caries. on the other hand, the least amount of radiation along with high quality is a main gold standard. the purpose of this study was to compare the diagnostic accuracy of primax, insight radiographic films, and direct digital images (schick cmos-aps), in detection of interproximal natural carie...

Journal: :مجله تحقیق در علوم دندانپزشکی و فک و دهان 0
mehralizade s nemati anaraki s sakhdari s miraba s amiri siavashani m bayat s

abstract background and aim: considering the importance of detection of secondary caries, the adverse consequences of false positive and false negative diagnoses and the gap of information in the diagnostic efficacy of digital sensors in detection of secondary caries, this in vitro study sought to compare the diagnostic efficacy of two different resolutions of radiographs obtained by photostimu...

2009
Sandra Manfra Marretta

Dental radiography is an essential component in the delivery of high-quality dental care for dogs and cats. During the 1980s veterinarians began taking radiographs of teeth using standard radiographic units; however, these units made patient positioning difficult and often resulted in suboptimal films. In the 1990s dental radiographic units became a more common part of the veterinary dental dia...

Journal: :avicenna journal of dental research 0
fatemeh salemi department of oral and maxillofacial radiology, faculty of dentistry, hamadan university of medical sciences, hamadan, ir iran; department of oral and maxillofacial radiology, faculty of dentistry, hamadan university of medical sciences, hamadan, ir iran. tel: +98-9183126863سازمان اصلی تایید شده: دانشگاه علوم پزشکی همدان (hamadan university of medical sciences) abbas shokri department of oral and maxillofacial radiology, faculty of dentistry, hamadan university of medical sciences, hamadan, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی همدان (hamadan university of medical sciences) sepideh falah-kooshki department of oral and maxillofacial radiology, faculty of dentistry, hamadan university of medical sciences, hamadan, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی همدان (hamadan university of medical sciences)

background identification of common technical errors during preparation of panoramic radiographs, how affect the quality and interpretation of the radiographs and the techniques used to deal with such errors, might help prevent unnecessary radiation to patients and save their time and money. objectives the current study aimed to identify common errors in the panoramic radiographs taken by post-...

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: :journal of dentomaxillofacil radiology, pathology and surgery 0
somayyeh azimi oral medicine shahid beheshti university of medical sciences, tehran, iran/ honorary research flew, the international research collaborative – oral health and equity, university of western australia. maryam tofangchiha oral and maxillofacial radiology, qazvin university of medical sciences, qazvin, iran mohammad shapoori nasrin rafieian dental school, alborz university of medical sciences, karaj, iran

introdouction: dentists need to be able to diagnose jaw lesions due to professional responsibilities to refer affected patients for expeditious treatment as needed. the objective of this study was to assess the knowledge of senior dental students in qazvin university of medical sciences regarding the interpretation of radiographic images of oral lesions. the study took place in 2011–2012. mater...

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...

Mansour Zabihzadeh Zahra Farzanegan

Introduction: Dental radiography as one of the most frequent type of radiological examinations is accepted for medical investigations due to their significant benefits nevertheless using ionizing radiation. It has lower radiation dose compared to another radiological examination but because of its high application for children, radiation dose needs attention. Based on affectin...

Journal: :dental research journal 0
asieh zamani naser shahab etemadi mansour rismanchian mahnaz sheikhi mohammadbagher tavakoli

background: comparing continuous films taken at different timescales is a way to study the alveolar bone changes around the implant over time. one of the important concerns in quantitative analysis of the alveolar bone changes over the time is to reduce variations in the x-ray imaging geometry and image density. methods: using a modified xcp film holder together with the bite recording material...

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