نتایج جستجو برای: panoramic x
تعداد نتایج: 626942 فیلتر نتایج به سال:
OBJECTIVES Assessment of pubertal status and pubertal growth spurt in orthodontic patients has a considerable impact on the diagnosis, treatment plan and the outcome of orthodontic treatments. Hand-wrist radiography is routinely used to evaluate skeletal development. Some studies have shown that there is an association between bone development and different stages of dental calcification; there...
Central giant cell lesions are rare, benign, osteolytic, pseudocystic, solitary, localized lesions that are common in the skeletal structure, but less so in the maxillofacial region. Furthermore, to perform panoramic radiography and cone-beam computed tomography, it is necessary to prepare patients properly and to position their heads carefully. However, this can be difficult in pediatric patie...
:Background: Osteoporosis is a condition characterized by low bone mass and micro-architectural deterioration of tissue. Dual Energy X-ray Absorptiometry (DEXA) considered to be the "gold standard" in diagnosing osteoporosis. However, because cost limited availability, these are less suitable for large-scale screening. has several manifestations jaw which can identified dentists on panoramic ra...
Conventional panoramic images are known to provide for an enhanced field of view in which the scene always has a fixed appearance. The idea presented in this paper focuses on the use of the concept of virtual viewpoint creation to generate different panoramic images of the same scene with three-dimensional component. Three-dimensional effect in a resultant panorama is realized by superimposing ...
The objective of this case report is to help clinicians identify bifid mandibular canals on panoramic radiographs and subsequently use the information in the modification of dental treatment planning. A 45-year old man was referred to the service of Oral Diagnosis and Radiology. Routine panoramic radiography, suggested the presence of bilateral bifid mandibular canals (BMC). Mandibular computed...
BACKGROUND AND AIM: Due to increasing use of X-rays in diagnosis and treatment of diseases, this study aimed to measure and compares the absorbed dose in a number of sensitive organs of head and neck in different radiographic techniques.METHODS: Thermoluminescence dosimeter (TLD) and a male equivalent RANDO phantom were used to measure the absorbed dose in organs. The dosimeters were set in cer...
To reconstruct an environment under 360 degrees with a great accuracy and true color represents an important challenge for motion pictures and multimedia applications. This paper describes a new stereoscopic panoramic sensor to achieve this task. Unlike the existing sensors, it uses four acquisition channels coupled with an additional structured light projector to obtain an accurate 3 0 panoram...
OBJECTIVE To find out the value of correlating radiographic and scintigraphic imaging for defining the extent and nature of benign jaw lesions (BJL). MATERIAL AND METHODS Twenty patients with histologically proven benign lesions of the jaws were investigated pre-operatively by panoramic radiography (PR) and bone scintigraphy (BS). To test the efficacy of combination of these two imaging modal...
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