نتایج جستجو برای: intraoral digital radiography
تعداد نتایج: 328480 فیلتر نتایج به سال:
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 ...
background and aims. in periapical radiographic technique, the changes will be visible only after considerable deposition or resorption while digital subtraction technique visualizes slight density changes. this study was aimed to compare visualization of density changes in conventional periapical radiographs and digital subtraction technique with or without image enhancement. materials and met...
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...
This in vivo study evaluated the dissociation quality of maxillary premolar roots combining variations of vertical and horizontal angulations by using X-ray holders (Rinn -XCP), and made a comparison between two types of intraoral radiography systems - conventional film (Kodak Insight, Rochester, USA) and digital radiography (Kodak RVG 6100, Kodak, Rochester, USA). The study sample was comprise...
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...
Background: Hypertension is one of the most common medical problems seen in our dental profession. Nutrient canals are spaces in bones and are considered to be channels that transmit blood vessels and nerves. They are observed more frequently in the mandibular anterior region as radiolucent lines in intraoral periapical radiographs. The radiographically observable nutrient canals have been show...
introdouction: canal length measurement is essential for proper endodontic treatment. any error or miscalculation in working length determination, particularly in curved canals, can result in complications during or after root canal therapy. digital radiography has enabled accurate measurement of curved canal length. in this study, we evaluated the accuracy of calibration of a complementary met...
BACKGROUND A unique software tool has been developed to assist dentists in the difficult task of diagnosing radiographs for proximal caries. The software, called Logicon Caries Detector (Northrop Grumman Information Technology, Herndon, Va.), extracts image features and correlates them with a database of known caries problems. The Logicon software was combined with the digital radiography syste...
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