نتایج جستجو برای: panoramic x

تعداد نتایج: 626942  

Journal: :Neural Computing and Applications 2022

Abstract Dental X-ray image segmentation is helpful for assisting clinicians to examine tooth conditions and identify dental diseases. Fast lightweight algorithms without using cloud computing may be required implemented in imaging systems. This paper aims investigate deep learning methods the purpose of deployment on edge devices, such as A novel neural network scheme knowledge distillation pr...

Journal: :The British journal of oral & maxillofacial surgery 2012
Biju Pappachan Mohan Alexander B Snehal

27-year-old man tripped and fell, striking the right side f his face on the floor. Despite his immediate facial asymetry and abnormal bite, the diagnosis of dislocation was ot made for 4 months. Repeated attempts to reduce it manally had failed, and he was subsequently referred to us. n examination there was deviation of the jaw towards the eft with restricted opening (Fig. 1). Chronic dislocat...

Journal: :International journal of morphology = Revista internacional de morfologia 2015
Carlos Eduardo Gomes do Couto-Filho Paulo Hemerson de Moraes Maria Beatriz Carrazzone Alonso Francisco Haiter-Neto Sergio Olate José Ricardo de Albergaria-Barbosa

Dental implant and chin osteotomy are executed on the mandible body and the mental nerve is an important anatomical limit. The aim of this research was to know the position of the mental nerve loop comparing result in panoramic radiography and cone beam computed tomography. We analyzed 94 hemimandibles and the patient sample comprised female and male subjects of ages ranging from 18 to 52 years...

Journal: :The West Indian medical journal 2012
A K Bissoon E Whaites K Moze R Naidu

AIM To evaluate and compare the frequency of common operator errors seen on panoramic radiographs in dental private practices and in the dental hospital (taken by informally and formally trained operators, respectively) in Trinidad and Tobago. METHOD One thousand panoramic radiographs of patients over the age of 10 years were included in this study. These comprised 500 from the dental hospita...

2014
Jong-Woong Park Kyung-Hoe Huh Won-Jin Yi Min-Suk Heo Sam-Sun Lee Soon-Chul Choi

PURPOSE This study was performed to evaluate the reproducibility of panoramic radiographs of dentulous and edentulous patients. MATERIALS AND METHODS The reproducibility of panoramic radiographs was evaluated using the panoramic radiographs acquired from 30 anterior dentulous patients by using a common biting positioning device (dentulous group) and 30 anterior edentulous patients by using ch...

2015
Marc El Hage Jean-Pierre Bernard Christophe Combescure Lydia Vazquez

Objectives. The purpose of this panoramic radiography study was to assess the impact of image magnification on the accuracy of vertical measurements in the posterior mandible. Methods. Six dental implants, inserted in the posterior segments of a resin model, were used as reference objects. Two observers performed implant length measurements using a proprietary viewer with two preset image magni...

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...

2015
Anshul Aggarwal Rati Goyal Juhi Gupta Kauser J Khwaja

The Purpose of current study is that Osteoporosis is a systemic disorder characterized by low bone mass leading to fractures reported commonly in females after menopause. The investigations for osteoporosis most commonly used DEXA are very costly and not easily available. Few studies have proposed the use of orthopantomogram as a diagnostic marker for osteoporosis as it is simple, quick, easy, ...

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: :European Journal of Dentistry 2008
Cumali Gokce Yildiray Sisman Elif Tarim Ertas Faruk Akgunlu Ahmet Ozturk

OBJECTIVES The aim of this study is to determine the prevalence of styloid process elongation (SPE) detected on panoramic radiographs (PRs) in Cappadocia region population in Turkey and to investigate the SPE incidences in relation to the age subgroups. METHODS Between 2004 to 2007 years, a random sample of 750 PRs was collected from the data files and any questionable PR was excluded. Theref...

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