نتایج جستجو برای: cone beam computed tomography dimensional measurement accuracy dental

تعداد نتایج: 1588311  

Journal: :iranian endodontic journal 0
hadi assadian arash dabbaghi morteza gooran behrouz eftekhar sanaz sharifi nassim shams

ntroduction: the aim of this study was to compare the accuracy of cone-beam computed tomography (cbct), digital radiography and tooth sectioning in evaluating root canal morphology of mandibular incisors in an in vitro setting. methods and materials: a total of 76 samples were imaged using cbct, and digital radiography in straight and angled views. the samples were then sectioned at different d...

Journal: :iranian endodontic journal 0
zahrasadat madani ehsan moudi ali bijani elham mahmoudi

introduction: the aim of this study was to compare the diagnostic value of cone-beam computed tomography (cbct) and periapical (pa) radiography in detecting internal root resorption. methods and materials: eighty single rooted human teeth with visible pulps in pa radiography were split mesiodistally along the coronal plane. internal resorption like lesions were created in three areas (cervical,...

Journal: :journal of dental school, shahid beheshti university of medical sciences 0
mm. aghdasi dept. of radiology, school of dentistry, shahid beheshti university of medical sciences, tehran, iran. n. sheikhdavodi m. moshfeghi dept. of radiology, school of dentistry, shahid beheshti university of medical sciences, tehran, iran. email: [email protected] m. asna ashari dept. of prosthodontics, school of dentistry, shahid beheshti university of medical sciences, tehran, iran

objective: the knowledge of anatomic landmarks’ positions, including inferior alveolar nerve’s canal, is crucial for dentist, who has to master it. it is important to know the exact location and anatomic variety of this canal for different procedures of mandibular surgeries. the aim of the present study was to evaluate inferior mandibular canal’s anatomic position by cone-beam computed tomograp...

Journal: :iranian endodontic journal 0
yaser safi sahar ghaedsharaf alireza aziz sepanta hosseinpour hamed mortazavi

introduction: conventional methods for diagnosis of external root resorption (err) are based on clinical findings and x-ray observations which are not appropriate for early diagnosis. the present study assessed the effect of different sizes and field of views (fovs) in the diagnosis of simulated external root resorption by cone-beam computed tomography (cbct). methods and materials: in this dia...

Journal: :iranian journal of radiology 0
dilhan i̇lgüy department of dentomaxillofacial radiology, faculty of dentistry, yeditepe university, bağdat caddesi no: 238 göztepe 34728, turkey +90-2163636044, [email protected]; department of dentomaxillofacial radiology, faculty of dentistry, yeditepe university, bağdat caddesi no: 238 göztepe 34728, turkey +90-2163636044, [email protected] mehmet i̇lgüy department of dentomaxillofacial radiology, faculty of dentistry, yeditepe university, bağdat caddesi no: 238 göztepe 34728, turkey +90-2163636044, [email protected] erdoğan fişekçioğlu department of dentomaxillofacial radiology, faculty of dentistry, yeditepe university, bağdat caddesi no: 238 göztepe 34728, turkey +90-2163636044, [email protected] semanur dölekoğlu department of dentomaxillofacial radiology, faculty of dentistry, yeditepe university, bağdat caddesi no: 238 göztepe 34728, turkey +90-2163636044, [email protected]

background orientation of the stylohyoid complex (shc) may be important for evaluation of the patient with orofacial pain or dysphagia. objectives our purpose was to assess the length and angulations of shc using cone beam computed tomography (cbct). patients and methods in this study, 3d images provided by cbct of 69 patients (36 females, 33 males, age range 15-77 years) were retrospectively e...

Journal: :European journal of radiology 2008
Rudolf Boeddinghaus Andy Whyte

A review of state-of-the-art maxillofacial imaging is presented. Current imaging techniques include intra-oral radiographs, dental panoramic tomography, multidetector helical computed tomography, cone-beam computed tomography (CBCT) and magnetic resonance imaging (MRI). The commonest conditions encountered in clinical radiological practice are reviewed, including maxillofacial deformities, comp...

2015
Jerker Edén Strindberg Caroline Hol Gerald Torgersen Anne Møystad Mats Nilsson Karin Näsström Kristina Hellén-Halme

OBJECTIVES Cone-beam computed tomography in dentistry can be used in some countries by other dentists than specialists in radiology. The frequency of buying cone-beam computed tomography to examine patients is rapidly growing, thus knowledge of how to use it is very important. The aim was to compare the outcome of an investigation on the use of cone-beam computed tomography in Sweden with a pre...

Journal: :journal of dentomaxillofacil radiology, pathology and surgery 0
abolfazl dadbin shahed school of dentistry, shahed university of medical sciences, tehran, iran abbas salehivaziri department of orthodontics, shahed school of dentistry, shahed university of medical sciences, tehran, iran maryam basirat department of oral medicine, rasht school of dentistry, guilan university of medical sciences, rasht, iran shahab shahriar department of oral & maxillofacial radiology, shahed school of dentistry, shahed university of medical sciences, tehran, iran imohsen nouri sari department of orthodontics, shahed school of dentistry, shahed university of medical sciences, tehran, iran

introduction: this study aims at examining the difference of pharyngeal airways in patients with different occlusion postures, hoping to im prove diagnostic methods and provide a stable treatment plan for orthodontic patients. materials and methods: the data were ga-thered through cbct radiographies of patients from a specialized center for radiology. in each occlusion group according to the pe...

Journal: :iranian journal of radiology 0
preetam bhujagonda patil department of radiodiagnosis and imaging, s.d.m college of medical sciences and hospital,dliswwed-580009, karnataka state, india +91-8362447798, [email protected] muralidhar gururajrao kamalapur department of radiodiagnosis and imaging, s.d.m college of medical sciences and hospital,dliswwed-580009, karnataka state, india +91-8362447798, [email protected]; department of radiodiagnosis and imaging, s.d.m college of medical sciences and hospital,dliswwed-580009, karnataka state, india +91-8362447798, [email protected] jayaraj chandrashekhar sindhur department of medicine, s.d.m college of medical sciences and hospital dharwad, india shyamsundar krishnabhat joshi department of radiodiagnosis and imaging, s.d.m college of medical sciences and hospital,dliswwed-580009, karnataka state, india +91-8362447798, [email protected]

abstract deep seated cavernous angioma (ca) is a very rare entity, those occurring in the hypothalamus are still less common. we present a case of a 52-year-old man who presented with behavior and memory disturbance attacks. he had a ca of the hypothalamus as revealed by magnetic resonance imaging (mri). we will discuss the role and importance of imaging in such scenario and also the differenti...

Journal: :iranian journal of radiology 0
zahra dalili department of maxillofacial radiology, dental school, o}imatnivesky:ov1}}wm{u5wciences, iran +98-1313230775, [email protected]; department of maxillofacial radiology, dental school, o}imatnivesky:ov1}}wm{u5wciences, iran +98-1313230775, [email protected] gholamhossein adham department of maxillofacial surgery, dental school, guilan university of medical sciences, iran

neurofibroma is an autosomal dominant disorder which has major criteria such as hyperpigmentation (cafe-au lait spots), cutaneous and subcutaneous tumors and bone deformities. in this report, a case of multifocal intraosseous neurofibroma in a 16-year-old male with right facial asymmetry, multiple unerupted maxillary posterior teeth and a previous history of infratemporal and orbital neurofibro...

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