نتایج جستجو برای: digital radiography and dental caries

تعداد نتایج: 16907899  

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...

Naghmeh Abdollahi Seyedeh Saeede Mohtavipour Seyedeh Tahereh Mohtavipour Somayeh Nemati

Introduction: Dental caries is the most common chronic condition in children. Recently, there has been a growing tendency to using digital panoramic radiography among clinicians. The present study aimed to determine the accuracy of digital panoramic radiography with and without software enhancement in the diagnosis of proximal dental caries in primary molars. Methods: This study was conducted u...

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: :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...

Journal: :journal of dental materials and techniques 0
hossein hossein hoseini zarch department of oral and maxillofacial radiology, dental material research center, faculty of dentistry, mashhad university of medical sciences, mashhad, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (mashhad university of medical sciences) adineh adineh javadian langaroodi department of oral and maxillofacial radiology, dental material research center, faculty of dentistry, mashhad university of medical sciences, mashhad, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (mashhad university of medical sciences) mina mina shafagh motlagh department of pedodontics, faculty of dentistry, mashhad university of medical sciences, mashhad, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (mashhad university of medical sciences)

introduction: although proximal dental caries are very common, clinical examinations cannot detect them all. panoramic radiography has been widely used in dentistry for both diagnosis and screening. this study aimed to investigate and compare the efficacy of two digital panoramic radiography techniques in the diagnosis of proximal caries. methods: a total number of 60 patients referred to a den...

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 research, dental clinics, dental prospects 0
maryam zangooei booshehry abdolrahim davari fatemeh ezoddini ardakani mohammad reza rashidi nejad

background and aims. the aim of the present study was to compare the effect of application of an image processing mode of a colorizer on the efficacy of the detection of interproximal carious lesions viewed in direct digital radiography. materials and methods. a total of 102 proximal surfaces of extracted human premolars on direct digital images were evaluated by three observers with and withou...

Journal: :journal of dentomaxillofacil radiology, pathology and surgery 0
najmeh movahhedian department of oral and maxillofacial radiology, faculty of dentistry, shiraz university of medial science, shiraz, iran leila khojastepour department of oral and maxillofacial radiology, faculty of dentistry, shiraz university of medial science, shiraz, iran fahimeh mortazavi department of oral and maxillofacial radiology, faculty of dentistry, shiraz university of medial science, shiraz, iran mohammad sadeghbirjandi

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: :iranian journal of radiology 0
solmaz valizadeh department of oral and maxillofacial radiology, school of dentistry, shahid beheshti university of medical sciences, tehran, iran mostafa goodini department of endodontics, school of dentistry, shahid beheshti university of medical sciences, tehran, iran sara ehsani dental research center, research institute of dental sciences, shahid beheshti university of medical sciences, tehran, iran; dental research center, research institute of dental sciences, shahid beheshti university of medical sciences, tehran, iran. tel: +98-2122413897, fax: +98-2122427753 hadis mohseni department of computer engineering, shahid bahonar university of kerman, kerman, iran fateme azimi department of oral and maxillofacial radiology, school of dentistry, shahid beheshti university of medical sciences, tehran, iran hooman bakhshandeh cardiovascular intervention research center, rajaie cardiovascular medical and research center, tehran university of medical sciences, tehran, iran

conclusions the designed software was able to detect a significant number of dentin caries and acceptable measuring of the depth of carious lesions in enamel and dentin. however, the software had limited ability in detecting enamel lesions. background radiographs, adjunct to clinical examination are always valuable complementary methods for dental caries detection. recently, progressing in digi...

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