نتایج جستجو برای: radiography panoramic

تعداد نتایج: 23591  

F. Falahati, F. Momeni, H. Zamani, M.H. Zare, R. Abedi-Firouzjah, R. Omidi,

Background: This study aimed to estimate and compare the absorbed dose, lifetime cancer risk and mortalities due to cone-beam computed tomography (CBCT) and panoramic examinations on patients. Materials and Methods: The exposure factors were applied to 332 patients in two age groups (6-10, and ˃18-year-old). The dose-area product (DAP) values were measured for CBCT and panoramic radiographies. ...

2014
Rafael Henrique Nunes Rondon Yamba Carla Lara Pereira Glauce Crivelaro do Nascimento

Professionals performing radiographic examinations are responsible for maintaining optimal image quality for accurate diagnoses. These professionals must competently execute techniques such as film manipulation and processing to minimize patient exposure to radiation. Improper performance by the professional and/or patient may result in a radiographic image of unsatisfactory quality that can al...

2014
Pallak Arora Parvathi Devi Sartaj Singh Wazir

OBJECTIVE 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 consumi...

Journal: :Dento maxillo facial radiology 2003
C E Sakakura J A N D Morais L C M Loffredo G Scaf

OBJECTIVES To survey the current radiographic prescriptions in dental implant assessment amongst dentists in Brazil. METHODS Sixty-nine dentists were interviewed during a dental implant meeting by two calibrated graduate students, using a 19-question questionnaire, considering imaging modality options both for pre-operative implant site assessment and for follow-up, particularly with respect ...

2004
Allan G. Farman

Understand the limitations of panoramic radiography in detecting systemic diseases. For the purposes of this report, “systemic disease” will be interpreted as conditions that are spread out within the body rather than localized strictly to the tissues of the oral cavity. Since it would take many volumes to review all such conditions, the intent of this issue of Panoramic Imaging News is to revi...

Journal: :journal of dentistry, tehran university of medical sciences 0
mehrdad abdinian dental implants research center, department of radiology, school of dentistry, esfahan university of medical sciences, esfahan, iran sayedmohammad razavi torabinejad dental research center and department of oral and maxillofacial pathology, school of dentistry, esfahan university of med- ical sciences, esfahan, iran. reyhaneh faghihian postgraduate student of pediatric dentistry, department of pediatric dentistry, faculty of dentistry, esfahan university of medical sciences, esfahan, iran amirabbas samety dentist, esfahan , iran elham faghihian postgraduate student of oral medicine, department of oral medicine, faculty of dentistry, esfahan university of medical sciences, esfa- han, iran

o bjectives : dental caries are common and have a high incidence among populations. radiographs are essential for detecting proximal caries. the best technique should be recognized for accurate detection of caries. the aim of this study was to compare the accuracy of detection of proximal caries using intra oral bitewing, extra oral bitewing, improved interproximal panoramic, improved orthogona...

Journal: :iranian journal of radiology 0
mahkameh moshfeghi department of oral and maxillofacial radiology, faculty of dentistry, shahid beheshti university of medical sciences, tehran, iran jamileh beigom taheri department of oral and maxillofacial radiology, faculty of dentistry, shahid beheshti university of medical sciences, tehran, iran nika bahemmat department of oral and maxillofacial radiology, faculty of dentistry, shahid beheshti university of medical sciences, tehran, iran; nika bahemmat, department of oral and maxillofacial radiology, faculty of dentistry, shahidbeheshti university of medical sciences, tehran, iran. tel: +98-912-3259312 mohammad ebrahim evazzadeh dentist, private practice, karaj, iran hoora hadian department of oral and maxillofacial radiology, faculty of dentistry, shahid beheshti university of medical sciences, tehran, iran

conclusions the relationship between cac found on dental panoramic radiographs and two cva risk factors--hypertension and mi-- was significant. therefore, it seems that detection of cac on panoramic images of dental patients must be considered by dentists. results among 200 studied samples, 22 of the patients (11%) had carotid artery calcification on the dental panoramic radiograph. in total, 5...

Journal: :avicenna journal of dental research 0
mahdieh dehghani department of oral and maxillofacial radiology, faculty of dentistry, shahid sadoughi university of medical sciences, yazd, ir iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید صدوقی یزد (shahid sadooghi university of medical sciences) sahar ghanea assistant professor, department of oral and maxillofacial radiology, faculty of dentistry, rafsanjan university of medical s ciences, rafsanjan, ir iran; assistant professor, department of oral and maxillofacial radiology, faculty of dentistry, rafsanjan university of medical s ciences, rafsanjan, ir iran; faculty of dentistry, mofateh blv, rafsanjan university of medical sciences, rafsanjan, ir iran. tel: +98-3434280031 , fax: +98-3434280008سازمان اصلی تایید شده: دانشگاه علوم پزشکی رفسنجان (rafsanjan university of medical sciences)

conclusions the mental foramina were most commonly located between the first and second premolars and below the apex. a continuous appearance was the most common appearance for the mental foramen, which was similar in males and females. background the position of the mental foramen is critical for surgery and local anesthesia. objectives this study was conducted to assess the position of the me...

Journal: :iranian journal of radiology 0
fatemeh ezoddini ardakani department of oral and maxillofacial radiology, faculty of dentistry, shahid sadoughi university of medical sciences, iran +98-3516255881, [email protected]; department of oral and maxillofacial radiology, faculty of dentistry, shahid sadoughi university of medical sciences, iran +98-3516255881, [email protected] maryam zangoie booshehri department of orthopedics, faculty of medicine, shahid sadoughi university of medical sciences, iran seyed hossein saeed banadaki department of orthopedics, faculty of medicine, shahid sadoughi university of medical sciences, iran reza nafisi-moghadam department of radiology, faculty of medicine, shahid sadoughi university of medical sciences, iran

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 examined by...

Journal: :Acta medica Iranica 2012
Mohammad Taghi Bahreyni Toossi Fateme Akbari Shahram Bayani Roodi

Nowadays, radiography is a necessary procedure in diagnosis and treatment of patients with dental problems. According to the ALARA (as low as reasonably achievable) principle, dentists must take radiographs of sufficient quality at the lowest possible radiation dose to the patients. The assessment of patient dose on panoramic radiography is difficult because of dynamic nature of the imaging pro...

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