نتایج جستجو برای: radiography panoramic

تعداد نتایج: 23591  

Journal: :Medicina oral, patologia oral y cirugia bucal 2010
José V Ríos-Santos Cristina Ridao-Sacie Pedro Bullón Ana Fernández-Palacín Juan J Segura-Egea

AIM To compare the use of film-based periapical radiographs and digital panoramic images displayed on monitor and glossy paper in the assessment of the periapical status of the teeth. METHODOLOGY A total of 86 subjects were examined. All participants underwent a full-mouth radiographic survey (14 periapical radiographs) and a digital panoramic radiography. The periapical status of all apprais...

Journal: :journal of dental research, dental clinics, dental prospects 0
tahmineh razi sedighe razi

background and aims. panoramic radiography is a method widely used because of low absorbed dose in patients (approximately 10 times less than that in the full mouth survey), reasonable cost and time. disadvantages of this radiography technique are magnification and distortion as a result of unequal magnification, which can influence dimensional and angular measurements used in clinical dentistr...

2017
Vanessa Faria Angela Jordão Camargo

The purposes of this report, “Multiple Radiographic Analysis (Systemic Disease), dental panoramic radiography” will be interpreted conditions which are spread out within the body rather than localized strictly to the tissues of the oral cavity. Our main goal is discussing different possibilities for analysis and research, highlighting a few different publications in this theme of study, using i...

2012
Fatemeh Ezoddini Ardakani Maryam Zangoie Booshehri Seyed Hossein Saeed Banadaki Reza Nafisi-Moghadam

BACKGROUND Scaphoid fractures are the most common type of carpal fractures. OBJECTIVES The aim of the study was to compare the diagnostic value of panoramic and conventional radiographs of the wrist in scaphoid fractures. PATIENTS AND METHODS The panoramic and conventional radiographs of 122 patients with acute and chronic wrist trauma were studied. The radiographs were analyzed and examine...

Journal: :The International journal of oral & maxillofacial implants 2001
K Dula R Mini P F van der Stelt D Buser

Indications for the most frequently used imaging modalities in implant dentistry are proposed based on clinical need and biologic risk for the patient. To calculate the biologic risk, the authors carried out dose measurements. They demonstrated that the risk from a periapical radiograph is 20% of that from a panoramic radiograph. A panoramic radiograph and a series of 4 conventional tomographs ...

Journal: :مجله دانشگاه علوم پزشکی شهید صدوقی یزد 0
ماهرخ ایمانی مقدم m imanimoghaddam منا اعتمادی سجادی m eatemadi-sadjadi

introduction: idiopathic osteosclerosis is a common radiopaque lesion in the jaw bones, which is asymptomatic and usually detected accidentally in various radiographs. the purpose of this study was to determine the radiographic features of idiopathic osteosclerosis in the jawbones of patients referring to the maxillofacial radiology center of mashhad dental faculty. methods: in this descriptive...

Journal: :journal of dentomaxillofacil radiology, pathology and surgery 0
maryam paknahad oral radiology department, dental school, shiraz university of medical sciences, shiraz, iran. mahvash hasani oral radiology department, dental school, shiraz university of medical sciences, shiraz, iran. mahsa hasani medical school, shiraz university of medical sciences, shiraz, iran. alireza evazpour dental school, shiraz university of medical sciences, shiraz, iran.

introdouction: the aim of the present study was to investigate image magnification in digital panoramic radiography and assess the effect of anatomical sites on the magnification in both males and females. materials and methods: in this retrospective study, digital panoramic radiographs of 48 patients with 202 implants were investigated. implant diameter and length were measured on panoramic ra...

Journal: :iranian journal of radiation research 0
s.m.j. mortazavi school of medicine, rafsanjan university of medical sciences, rafsanjan, iran m. ghiassi-nejad m. bakhshi m. jafari-zadeh a. kavousi j. ahmadi

background: the anatomic position and proven radiosensitivity of the thyroid make it an organ of concern in dental x-ray examinations. a national radiation protection department (nrpd)-sponsored pilot study carried out in the dental radiology department of rums., to assess if the radiation dose in panoramic radiographies could be reduced without significant impairment of the subjective image qu...

Journal: :Applied sciences 2021

Background: Panoramic radiography creates distortion in teeth position and inclination especially lateral areas of the arches due to acquisition curved shape dental arch. The aim this study was evaluate panoramic compared cone-beam computed tomography. Methods: Mesiodistal angulations were measured on radiography. buccolingual inclinations determined tomography scans. previous measurements then...

2015
Jong-Woong Park Khanthaly Symkhampha Kyung-Hoe Huh Won-Jin Yi Min-Suk Heo Sam-Sun Lee Soon-Chul Choi

PURPOSE Panoramic radiographs taken using conventional chin-support devices have often presented problems with positioning accuracy and reproducibility. The aim of this report was to propose a new bite block for panoramic radiographs of anterior edentulous patients that better addresses these two issues. MATERIALS AND METHODS A new panoramic radiography bite block similar to the bite block fo...

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