نتایج جستجو برای: dimensional imaging

تعداد نتایج: 829925  

Journal: :journal of dentomaxillofacil radiology, pathology and surgery 0
roshanak ghaffari department of maxillofacial radiology, islamic azad university, khorasgan dental branch, dental faculty, isfahan, iran abolfath hosseinzade department of maxillofacial radiology, islamic azad university, khorasgan dental branch, dental faculty, isfahan, iran hossein zarabi isfahan, iran marzieh kazemi isfahan, iran

introduction: raising the knowledge of skeletal and soft tissue changes with aging has been highly essential due to an increasing demand for aesthetic facial surgery following aging. the aim of this study is to evaluate the three dimensional computed tomographic images and process of changes in mandible with aging. materials and methods: in this descriptive study, the facial ct scans were obtai...

Journal: :iranian journal of radiology 0
jian hui gu jiangsu province key laboratory of neuroregeneration, nantong university, nantong, jiangsu, china xue jun zhou department of radiology, affiliated hospital of nantong university, nantong, jiangsu, china dong sheng jin department of radiology, jiangsu province official hospital, nanjing, jiangsu, china wen quan ding department of hand surgery, ningbo no.6 hospital, ningbo university, ningbo, zhejiang, china; department of hand surgery, ningbo no.6 hospital, ningbo university, ningbo, zhejiang, china. tel: +86-18106606963 xin wang department of hand surgery, ningbo no.6 hospital, ningbo university, ningbo, zhejiang, china

conclusion vr reconstruction for both single-direction images and sushi using dti25 raw data provides excellent 3d displays of the peripheral nerves in the wrist region. sushi post-processing is a useful denoising tool because it automatically reduces the majority of isotropic object noise. results single-direction vr reconstruction clearly showed the nerves for both dti6 and dti25 but with obv...

Journal: :iranian journal of radiology 0
firoozeh ahmadi department of reproductive imaging at reproductive biomedicine research center, royan institute for reproductive biomedicine, acecr, tehran, iran; department of reproductive imaging at reproductive biomedicine research center, royan institute for reproductive biomedicine, acecr, p. o. box: 16635-148, tehran, iran. tel: +98-2123562446 hadieh haghighi department of reproductive imaging at reproductive biomedicine research center, royan institute for reproductive biomedicine, acecr, tehran, iran

Journal: :iranian endodontic journal 0
amir hosein kiarudi mohammad jafar eghbal yaser safi mohammad mehdi aghdasi mahta fazlyab

by producing undistorted three-dimensional images of the area under examination, cone-beam computed tomography (cbct) systems have met many of the limitations of conventional radiography. these systems produce images with small field of view at low radiation doses with adequate spatial resolution that are suitable for many applications in endodontics from diagnosis to treatment and follow-up. t...

Journal: :journal of dental research, dental clinics, dental prospects 0
saurabh kumar gupta government college of dentistry, indore, m.p., india payal saxena government college of dentistry, indore, m.p., india shaleen khetarpal government college of dentistry, indore, m.p., india mishthu solanki modern dental college and research centre, indore, india

we report a rare case of a two-rooted maxillary central incisor, stressing the importance of three-dimensional imaging in treatment planning and conservative approach of management. endodontic treatment of this central incisor was carried out with a successful outcome.

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1386

چکیده ندارد.

Ali Bagherpour Maryam Mohammadzadeh Rezaei Shahrokh Nasseri

Precise localization of the third molars in relation to the inferior alveolar nerve canal is critical from a clinical point of view and strongly affects the surgical treatment outcome. Recently, by using three-dimensional modeling software, the relationship of third molar root apices and inferior alveolar nerve canal can be better understood. In this study, the spatial relationship of two surgi...

Journal: :The Journal of the Acoustical Society of America 2000
Frazier Hughes O'Brien

In 1976, Hughes and Thompson introduced the idea of steering the maximum response of a linear array by amplitude weighting the output signals of the elements, thus eliminating the need for time delays or phase-shift networks. Currently that amplitude-steered array concept is being extended to a broadband two-dimensional array that can be used for real-time three-dimensional imaging. In shifting...

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