نتایج جستجو برای: dental radiography
تعداد نتایج: 179016 فیلتر نتایج به سال:
Introduction: One of the most commonly used radiography methods for the diagnosis of oral and dental diseases is the panoramic radiography technique. This technique is widely used due to ease of implementation, extensive coverage, time and cost savings. Dental radiography, as a routine and appropriate test, accounts for about 33% of the total radiographic examination. However, ...
Wilhelm Roentgen first discovered X-rays in 1895. Since its introduction the mid-1980s, digital radiography has surpassed traditional screen-film radiography. 2000, more than 75 percent of medical clinics United States have migrated to (DR). In fact, US government ordered that all records be converted digital. Indirect, direct, or semi-direct pictures are types currently available. Forensic rad...
a definitive diagnosis of vertical root fracture (vrf) is often a challenging task for clinicians. this is because two dimensional periapical radiographs are usually unable to detect the fracture line due to the direction of the x-ray beam. this report presents a set of 3 cases of endodontically treated teeth that were diagnosed with vrfs based on findings from clinical, radiographic, and cone-...
چکیده ندارد.
background radiography is as a part of periodontal examination. early detection of periodontal disease is important in the prevention of tooth loss and patient’s general health. objectives the objective of this study was to compare diagnostic accuracy of cone-beam computed tomography (cbct) with digital direct intraoral radiography, in assessment of periodontal osseous lesions. materials and me...
Background and Aim: In recent decades many guidelines has been conducted by radiation protection organizations about radiation protection in dentistry. This study was designed to evaluate the observance of these guidelines in educational clinics of all dental schools in Iran.Materials and Methods: In this cross-sectional study a questionnaire based on National Radiation Protection guidelines wa...
چکیده ندارد.
Growth rate is dependent on genetic and environmental factors and varies between the sexes, between individuals of the same population and between populations themselves. There is strong concern over the dental and bone testing procedures conducted to determine the age of young individuals for legal reasons. Inaccurate results would lead authorities to imprison some children in adult prisons, w...
Background: Radiation doses associated with the conventional dental radiographies are relatively low, but their number is high. Therefore, justification is necessary to ensure that radiation doses to patients, particularly children, are kept as low as reasonably achievable. Materials and Methods: The exposure factors applied for real patients in four age groups (5, 10, 15-year-old and adult) we...
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