نتایج جستجو برای: panoramic

تعداد نتایج: 5155  

Journal: :journal of dentomaxillofacil radiology, pathology and surgery 0
ali mokhtar faculty of dentistry, islamic azad university , tehran , iran pegah bronoosh alborz radiology center, karaj, iran. abdolaziz haghnegahdar department of oral and maxillafacial radiology, faculty of dentistry shiraz, university of medical sciences, shiraz, iran

introdouction: the aim of this study was to determine the associations between commonly found pathologic conditions and angulation of the lower third molar teeth. materials and methods: in this retrospective study, 370 panoramic radiographs consisting of 724 lower third molars were evaluated for any pathologies according to their angulation(mesioangular, distoangular, vertical, or horizontal). ...

Journal: :journal of dentomaxillofacil radiology, pathology and surgery 0
leila khojastepour department of oral and maxillofacial radiology, faculty of dentistry, shiraz university of medial science, shiraz, iran farivar dastan department of oral and maxillofacial radiology faculty of dentisty, shiraz university of medical sciences, shiraz, iran fatemeh ezoddini ardakani department of oral and maxillofacial radiology faculty of dentisty, shahid sadough university of medical sciences yazd, iran

introdouction:the styloid process(sp) has the potential for calcification and ossification. the aim of this study was to investigate the prevalence of different patterns of elongation and calcification of the sp. materials and methods: in this cross-sectional study, 400 digital panoramic radiographs taken for routine dental examination in the dental school of shiraz university were evaluated fo...

Journal: :acta medica iranica 0
fatemeh ezoddini ardakani department of oral and maxillofacial of radiology, faculty of dentistry, shahid sadoughi university of medical sciences, yazd, iran. mohammad bagher owlia department of rheumatology, faculty of medicine, shahid sadoughi university of medical sciences, yazd, iran. samaneh hesami faculty of dentistry, shahid sadoughi university of medical sciences, yazd, iran. pouran hosseini research assistant, shahid sadoughi university of medical sciences, yazd, iran.

this study was aimed to investigate the use of panoramic radiography in patients with low bone mineral density (bmd) in order to diagnose and prevent osteoporotic fractures. panoramic radiographs of 60 patients  (20 men and 40 women) aged from 40 to 70 years with cortical thicknesses of less than 3 mm in the mandibular angle were selected from patients referred to a dentomaxillofacial radiology...

Introduction: Infraorbital ethmoid air cells are such anatomical variations may result sinusitis. CT scan is commonly used for imaging infraorbital ethmoid cells but panoramic radiographs often show infraorbital ethmoid cells. This study aim to determaine the prevalence of infraorbital ethmoid cells on panoramic radiographs in cases older than 4 years referred to Dental School of Islamic Azad U...

Journal: :Proceedings of the Finnish Dental Society. Suomen Hammaslaakariseuran toimituksia 1972
A Leinonen B Wasz-Höckert P Vuorinen

Methods of determining a child's growth and development which are exact, reliable and also recordable objectively are important in confirming, treating and controlling the effect of treatment in both medicine and dentistry. A roentgenological determination of the skeletal age is generally used in estimating the physical age of a child. In this study, (1) the dental age, which is calculated from...

Journal: :Journal of the American Dental Association 1986
T Schiff J D'Ambrosio B J Glass R P Langlais W D McDavid

Panoramic radiograph is one of the routinely used investigations in dentistry. The value of panoramic radiograph is reduced when they are of poor diagnostic quality. Therefore, the aim of the study is to be aware of the common positional and technical errors so as to minimize such errors occurring in the department. Panoramic radiographs of all the patients, who were taking radiographs for thei...

L Hafezi, M Mohebbi,

Background and aim: Considering the widespread development of implants in dental treatment plans, linear measurements on panoramic radiography are of especial importance. In the present study we investigated the effect of head misalignment up to 15° around vertical and horizontal axes on the magnification rate of digital panoramic radiography in each part of upper and lower jaws. Materia...

Ehsan Moudi Sekine Asadi Amiri,

One of the most common positioning errors in panoramic radiography is palatoglossal air space above the apices of the root of maxillary teeth. It causes a radiolucency obscuring the apices of maxillary teeth. In the case of this positioning error, the imaging should be repeated. This causes the patient be exposed to radiation again. To avoid the repetition of exposing harmful X-rays to the pati...

2017
Shambulingappa Pallagatti Priyanka Parnami Soheyl Sheikh Deepak Gupta

OBJECTIVE It is a well-known fact that osteoporosis affects the people with old age and remains unnoticeable until the patient presents with fracture. Various studies in the literature reveal that panoramic radiographs may prove to be beneficial in the detection of Osteoporosis in patients. Henceforth this present study was aimed to validate the use of Klemetti Index (KI) on panoramic radiograp...

2013
Gun-Sun Lee Jin-Soo Kim Yo-Seob Seo Jae-Duk Kim

PURPOSE This study aimed to provide comparative measurements of the effective dose from direct and indirect digital panoramic units according to phantoms and exposure parameters. MATERIALS AND METHODS Dose measurements were carried out using a head phantom representing an average man (175 cm tall, 73.5 kg male) and a limbless whole body phantom representing an average woman (155 cm tall, 50 k...

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