Artifacts — A hitch in CBCT

Cone beam computed tomography (CBCT) has gained an unmissable importance nowadays because of its accuracy in detecting the pathologies of head and neck region. It has become part and parcel as a salient diagnostic aid in dentistry. But everything in this world has two faces of the coin. Similarly, CBCT has a small hitch in it that is “Artifacts”. Artifacts are discrepancies between the reconstructed visual image and the actual content of the subject which degrade the quality of CBCT images, making them diagnostically unusable. This article directs on the different kinds of artifacts and the reasons behind it.


Keywords: Artifacts, Cone beam computed tomography, Noise