Results 71 to 80 of about 804,721 (400)

Accuracy and Feasibility of Synthetic CT for Lung Adaptive Radiotherapy: A Phantom Study

Technology in Cancer Research & Treatment, 2023
Objectives The respiratory variations will lead to inconsistency between the actual delivery dose and the planning dose. How the minor interfractional amplitude changes affect the geometry and dose delivery accuracy remains to be investigated in the ...
Ruifeng Zhao PhD, Xingliu Wang MS, Huanhai Wei BM   +2 more
doaj   +1 more source

The Comparison of Prognostic Indicators of Maxillary Impacted Canine using OPG (Orthopantomogram) with CBCT (Cone Beam Computed Tomography)

Journal of Gandhara Medical and Dental Sciences, 2022
OBJECTIVES: The aim of the present study was to compare OPG (orthopantomogram) in locating impacted canines with CBCT (cone beam computed tomography) scans of the same patients.
Nasir Mushtaq, Syeda Shamal, Nayab Hassan, Jawad Ullah Shah, Haider Ali   +4 more
doaj   +1 more source

Failure of Cone-Beam Computed Tomography in Detection of Fiber Post Perforation [PDF]

, 2017
Detection of iatrogenic root perforation during post-space preparation especially in labiolingual plane can be challenging due to the two-dimensional nature of conventional radiography; this can be even more challenging if the cemented post is ...
Asgary, Saeed, Fazlyab, Mahta
core   +2 more sources

Lecture Notes on Computerized Tomography [PDF]

arXiv, 2023
These lecture notes give an introduction to the mathematics of computer(ized) tomography (CT). Treated are the imaging principle of X-ray tomography, the Radon transform as mathematical model for the measurement process and its properties, the ill-posedness of the underlying mathematical reconstruction problem and classical reconstruction techniques ...
arxiv  

Intraoperative cone beam computed tomography is as reliable as conventional computed tomography for identification of pedicle screw breach in thoracolumbar spine surgery

European Radiology, 2020
Objectives To test the hypothesis that intraoperative cone beam computed tomography (CBCT) using the Allura augmented reality surgical navigation (ARSN) system in a dedicated hybrid operating room (OR) matches computed tomography (CT) for identification ...
Gustav Burström, Paulina Cewe, A. Charalampidis, R. Nachabe, M. Söderman, P. Gerdhem, A. Elmi-Terander, E. Edström   +7 more
semanticscholar   +1 more source

A Novel Technique for Minimizing the Metal Artifacts on Anterior Teeth in Cone-Beam Computed Tomography [PDF]

, 2019
In endodontics, metal artifacts are the major weak points of employing cone-beam computed tomography (CBCT) in teeth with metallic posts and restorations. The aim of this article is to introduce a novel technique for preparation of beneficial CBCT images
Asgary, Saeed, Fazlalipour, Sahar, Fazlyab, Mahta, Safi, Yaser   +3 more
core   +2 more sources

Two-dimensional radiographs versus cone-beam computed tomography in planning mini-implant placement : a systematic review [PDF]

, 2022
This study aimed to compare two-dimensional radiographs and cone beam computed tomography (CBCT) images for mini-implant planning. A search was performed in PubMed, Embase, Web of Science, Cochrane Library and Google Scholar electronic databases ...
Caetano, Gabriela-Franco-da Rosa, Junqueira, José Luiz Cintra, Nascimento, Monikelly-do Carmo-Chagas, Oliveira, Luciana-Butini, Soares, Mariana Quirino Silveira   +4 more
core   +1 more source

Applications of cone beam computed tomography for a prosthodontist

The Journal of Indian Prosthodontic Society, 2016
Cone beam computed tomography (CBCT) is a medical imaging technique of X-ray computed tomography where the X-rays are divergent, forming a cone. CBCT systems have been designed for imaging hard tissues of the maxillofacial region. The increasing availability of this technology provides the dental clinician with an imaging modality capable of providing ...
Tatu Elenjickal Joy, Vinod R B Kumar, George Puthenpurayil John, Justin Mathew   +3 more
openaire   +4 more sources

New evolution of cone-beam computed tomography in dentistry: Combining digital technologies

Imaging Science in Dentistry, 2019
Panoramic radiographs and computed tomography (CT) play a paramount role in the accurate diagnosis, treatment planning, and prognostic evaluation of various complex dental pathologies. The advent of cone-beam computed tomography (CBCT) has revolutionized
Supreet Jain, Kartik Choudhary, Ravleen Nagi, Stuti Shukla, Navneet Kaur, D. Grover   +5 more
semanticscholar   +1 more source

Optimization for customized trajectories in cone beam computed tomography

Medical Physics (Lancaster), 2020
Purpose We developed a target‐based cone beam computed tomography (CBCT) imaging framework for optimizing an unconstrained three dimensional (3D) source‐detector trajectory by incorporating prior image information. Our main aim is to enable a CBCT system
S. Hatamikia, A. Biguri, G. Kronreif, J. Kettenbach, Tom Russ, H. Furtado, L. K. Shiyam Sundar, M. Buschmann, E. Unger, M. Figl, D. Georg, W. Birkfellner   +11 more
semanticscholar   +1 more source