Results 261 to 270 of about 36,424 (314)

Periapical radiographs vs cone beam CT imaging for the evaluation of peri-implant bone defects: an ex vivo study. [PDF]

Med Oral Patol Oral Cir Bucal
Tzortzakis NG, Damaskos S, Dimakopoulou K, Chatzipetros E, Angelopoulos C.   +4 more
europepmc   +1 more source

Vessel-targeted compensation of deformable motion in interventional cone-beam CT. [PDF]

Med Image Anal
Lu A, Huang H, Hu Y, Zbijewski W, Unberath M, Siewerdsen JH, Weiss CR, Sisniega A.   +7 more
europepmc   +1 more source

Patient Shielding in Ultra-High-Resolution Cone-Beam CT of the Upper Extremity with a Twin Robotic X-Ray System. [PDF]

Diagnostics (Basel)
Kunz AS, Weick S, Grunz JP, Toussaint A, Razinskas G, Richter A, Wegener S, Wittig-Sauerwein A, Bley TA, Huflage H.   +9 more
europepmc   +1 more source

Bone quality assessment around dental implants in cone-beam CT images: effect of rotation mode and metal artefact reduction tool. [PDF]

Dentomaxillofac Radiol
Bohner L, Parize H, Cordeiro JVC, Laureano NK, Kleinheinz J, Caldas RA, Dagassan-Berndt D.   +6 more
europepmc   +1 more source

Assessment of Jaw Bone Density Using Cone-Beam CT in Patients with Osteoporosis: A Cross-Sectional Study.

J Pharm Bioallied Sci
Kanneppady SS, Kanneppady SK, Jamatia K, Tiwari K, Ausare SS, Dash A, Syed AK.   +6 more
europepmc   +1 more source

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Respiratory correlated cone beam CT

Medical Physics, 2005
A cone beam computed tomography (CBCT) scanner integrated with a linear accelerator is a powerful tool for image guided radiotherapy. Respiratory motion, however, induces artifacts in CBCT, while the respiratory correlated procedures, developed to reduce motion artifacts in axial and helical CT are not suitable for such CBCT scanners. We have developed
Sonke, Jan-Jakob, Zijp, Lambert, Remeijer, Peter, van Herk, Marcel   +3 more
openaire   +5 more sources

Cone-beam CT for radiotherapy applications

Physics in Medicine and Biology, 1995
Clinical implementation of cone-beam tomography has been hampered by the lack of two-dimensional electronic x-ray detectors that can encompass the full width of the body. We encountered the undersized detector problem in our development of a cone-beam CT system for radiotherapy applications.
P S, Cho, R H, Johnson, T W, Griffin
openaire   +2 more sources

Crescent artifacts in cone‐beam CT

Medical Physics, 2011
Purpose:In image‐guided radiation therapy, cone‐beam CT has been adopted for three‐dimensional target localization in the treatment room. In many of these cone‐beam CT images, dark and light crescent artifacts can be seen. This study investigates potential causes of this artifact and a technique for mitigating the crescents.Methods:Three deviations ...
William, Giles, James, Bowsher, Hao, Li, Fang-Fang, Yin   +3 more
openaire   +2 more sources

Dental cone beam CT: A review

Physica Medica, 2015
For the maxillofacial region, there are various indications that cannot be interpreted from 2D images and will benefit from multiplanar viewing. Dental cone beam CT (CBCT) utilises a cone- or pyramid-shaped X-ray beam using mostly flat-panel detectors for 3D image reconstruction with high spatial resolution. The vast increase in availability and amount
Timo, Kiljunen, Touko, Kaasalainen, Anni, Suomalainen, Mika, Kortesniemi   +3 more
openaire   +2 more sources

Cone-Beam CT: Vascular Applications

Techniques in Vascular and Interventional Radiology, 2013
Cone-beam computed tomography (CBCT) provides three-dimensional rendering of opacified vascular structures that are very useful for catheter guidance and anatomical correlation in many arterial and venous procedures. CBCT has been shown to improve the technical success of transarterial chemoembolization (TACE), which may lead to better outcomes ...
openaire   +2 more sources