نتایج جستجو برای: cone beam computed tomography cbct

تعداد نتایج: 398840  

Journal: :Annals of the Academy of Medicine, Singapore 2013
Santhosh Raj Farah Gillan Irani Kiang Hiong Tay Bien Soo Tan

INTRODUCTION C-arm Cone Beam CT (CBCT) is a technology that is being integrated into many of the newer angiography systems in the interventional suite. Due to its ability to provide cross sectional imaging, it has opened a myriad of opportunities for creating new clinical applications. We review the technical aspects, current reported clinical applications and potential benefits of this technol...

Journal: :iranian endodontic journal 0
andré luiz gomide de morais ana helena gonçalves de alencar cyntia rodrigues de araújo estrela daniel almeida decurcio federal university of goias carlos estrela

introduction: the purpose of this clinical study was to compare the accuracy of working length (wl) determination using cone-beam computed tomography (cbct), conventional periapical radiographies and electronic apex locator. methods and materials: this study was conducted during root canal treatment of 19 patients with a total of 30 single-rooted teeth diagnosed with apical periodontitis. after...

Journal: :South African Dental Journal 2022

Two female patients presented with multiple radiolucent lesions noted on panoramic radiography. Cone-beam computed tomography (CBCT) scans confirmed “punched-out” affecting the skull.

Journal: :dental research journal 0
fabiano jeremias camila maria bullio fragelli simone di salvo mastrantonio lourdes dos santos-pinto ary dos santos-pinto cyneu aguiar pansani

surgical procedure for removal of impacted teeth is a challenge for clinicians as it involves accuracy in the diagnosis and localization of the dental elements. the cone-beam computed tomography (cbct), compared to the conventional radiography, has a greater potential to provide complementary information because of its three-dimensional (3d) images, reducing the possibility of failures in surgi...

Journal: :journal of dental research, dental clinics, dental prospects 0
arash dabbaghi nafiseh nikkerdar oral and maxillofacial radiology department, dental school, kermanshah university of medical sciences soheyla bayati amin golshah orthodontics department, dental school, kermanshah university of medical sciences

odontogenic myxoma (om) is an infiltrative benign bone tumor that occurs almost exclusively in the facial skeleton. the radiographic characteristics of odontogenic myxoma may produce several patterns, making diagnosis difficult. cone-beam computed tomography (cbct) may prove extremely useful in clarifying the intraosseous extent of the tumor and its effects on surrounding structures. here, we r...

Journal: :iranian endodontic journal 0
ali soleymani nafiseh namaryan ehsan moudi ali gholinia

introduction: the present study was conducted to assess the morphology of mandibular canines using cone-beam computed tomography (cbct) in a north iranian population. methods and materials: for the morphological assessment of mandibular canines, 150 cbct images taken from patients for different reasons were used. the mandibular canines were examined in sagittal, coronal and axial dimensions. th...

Journal: :journal of dentistry, tehran university of medical sciences 0
leila khojastepour department of oral and maxillofacial radiology, school of dentistry, shiraz university of medial science, shiraz, iran shirin kolahi department of oral and maxillofacial radiology, school of dentistry, shiraz university of medial science, shiraz, iran nazi panahi department of oral and maxillofacial radiology, school of dentistry, shiraz university of medial science, shiraz, iran abdolaziz haghnegahdar department of oral and maxillofacial radiology, school of dentistry, shiraz university of medial science, shiraz, iran

objectives: differential diagnosis of bifid mandibular condyle (bmc) is important, since it may play a role in temporomandibular joint (tmj) dysfunctions and joint symptoms. in addition, radiographic appearance of bmc may mimic tumors and/or fractures. the aim of this study was to evaluate the prevalence and orientation of bmc based on cone beam computed tomography (cbct) scans.   materials and...

Journal: :journal of dentistry, tehran university of medical sciences 0
mehrdad panjnoush yasaman kheirandish pooneh mohseni kashani hoorieh bashizadeh fakhar farzan younesi maysa mallahi mallahi

objectives: the aim of this study was to assess the effect of tube current, kilovoltage peak (kvp), metal type, and the position of metal objects on metal artifacts in cone-beam computed tomography (cbct) images. materials and methods: titanium and cobalt-chromium rods were fabricated and placed in a dry human mandible. samples were scanned using a promax 3d cbct unit with different milli-amper...

Journal: :journal of dentomaxillofacil radiology, pathology and surgery 0
zahra dalili department of maxillofacial radiology, guilan university of medical sciences, dental school, rasht, iran jalil khademi department of orthodontics, guilan university of medical sciences, dental school, rasht, iran. faegheh gholinia , department of orthodontics, guilan university of medical sciences, dental school, rasht, iran. nafiseh khanjani department of maxillofacial radiology, guilan university of medical sciences, dental school, rasht, iran

introduction: due to the complexity of facial asy-mmetry, the diagnosis of different aspects of asymmetry via conventional radiographs is not precise. in this study, we investigated findings of facial asymmetry by using cone- beam computed tomography (cbct) images. materials and methods: in this descriptive study, we evaluated cbct findings of 18 patients i.e. a group of 14 females and 4 males ...

ژورنال: :مجله علمی دانشگاه علوم پزشکی گرگان 0
فریدا عابسی abesi f احسان موعودی moudi e بابل، میدان ولایت، خیابان فلسطین، صندوق پستی 853 ، تلفن 32291408-011 ، نمابر 22391093 سینا حقانی فر haghanifar s مصطفی نجفی najafi m

زمینه و هدف : ناحیه قدامی فک پایین محل انجام بسیاری از اعمال جراحی فک و دندان است. از طرفی این ناحیه محل شاخه ثنایایی عصب آلوئولار تحتانی است. این مطالعه به منظور تعیین میزان رویت و پیشروی شاخه ثنایایی عصب آلوئولار تحتانی در تصاویر cone beam computed tomography انجام شد. روش بررسی : در این مطالعه توصیفی تحلیلی 105 تصویر cbct از نظر وجود یا عدم وجود شاخه ثنایایی و میزان پیشروی عصب آلوئولار تحتان...

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