نتایج جستجو برای: panoramic radiography
تعداد نتایج: 23591 فیلتر نتایج به سال:
Statement of Problem: In spite of the limitations of Radiography, diagnosing of periodontal diseases without having accurate radiographs is inadequate because it provides a visible image of the supporting bone to the clinician and works as a fixed measure of the supporting bone during the study.Purpose: The aim of this study is to compare the precision of preiapical, bitewings and panoramic rad...
Background and purpose: Assessment of tooth length has an important role in success and failure of dental treatments. As yet periapical radiography has been used for the assessment of tooth length causing high x-ray exposure, long time and patient discomfort. Using panoramic radiography can resolve these problems. The major disadvantage of panoramic radiography is monotonous magnification. The ...
radiography is one of the most valuable diagnostic tools used in comprehensive dental care. although there is no safe level of radiation exposure, the possible risk associated with exposure to radiation, must be elucidated. to date, a variety of assays have been proposed to assess the mutagenic potential of genotoxicants; however, these methods are typically laborious and time consuming. the ai...
Attribution of the rise in radiation dose to relaxed panoramic radiography diagnostic reference level Korea
Introduction: Mandibular fracture is the most common facial bone fracture due to facial trauma. A variety of imagings have been used for diagnosis of mandibular fractures. However, the choice of imaging for diagnosis of mandibular fractures is controversial.Present study compares the accuracy of the three most common imaging methods in mandibular fracture diagnosis panoramic radiography, coron...
BACKGROUND/OBJECTIVE Panoramic radiography has a great place among imaging techniques because of its enormous advantages. One of the characteristics of an ideal imaging technique is to supply precise measurement. The purpose of the current study was to evaluate the accuracy of linear measurements of the jaws on panoramic radiographs. PATIENTS AND METHODS In this study, the vertical distances ...
objectives: this study sought to assess the relation of mandibular cortical index (mci) with age, gender and gonial angle size in an iranian adult population using digital panoramic radiography. methods: we evaluated 370 digital panoramic radiographs of patients and divided them into five 10-year age groups. each radiograph was assigned to low (≤120°) or high (≥125°) angle groups in terms of th...
introduction: many epidemiological studies have been conducted to determine the prevalence of the various types of the dental anomalies. the aim of the present study was determination of developmental and acquired dental anomalies in patients attending the faculty of dentistry in rasht, iran. materials and methods: in this retrospective cross-sectional study, 1224 digital panoramic ra-diographs...
introduction: the use of panoramic radiography has shown a remarkable expansion over the past 20 years. accurate positioning and preparation of patients is needed to avoid image distortion. the aim of this study was to evaluate the common errors on panoramic radiographs taken in the radiology department of rasht dental school. materials and methods: the study sample included 390 digital panoram...
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