Cone beam computed tomography ppt

How does cone beam CT work?
CBCT is a recent technology.
Imaging is accomplished by using a rotating gantry to which an x-ray source and detector are fixed.
A divergent pyramidal- or cone-shaped source of ionizing radiation is directed through the middle of the area of interest onto an area x-ray detector on the opposite side..
What is the difference between CT and cone beam CT?
Traditional CT uses a high-output, rotating anode X-ray tube.
Cone beam tomography utilizes a low-power, medical fluoroscopy tube that provides continuous imaging throughout the scan..

Jul 14, 201732. Cone beam effect- • Is a potential source of artifacts, especially in the peripheral portion of scan volume • Can result in i. Image

How does cone beam CT work?