Cone Beam CT (CBCT) uses a concentrated, low-power X-ray beam instead of a fan-shaped, high-output X-ray beam. This results in a lower radiation dosage and means a CBCT is much quicker than traditional “slice” CT. In addition both legs are scanned at the same time, allowing the opposite side to act as a normal comparison without you having to have another set of scans taken (meaning you don’t have any additional radiation exposure).