What is a CBCT scan?

Cone beam computed tomography, or CBCT, is a specialized imaging technique that captures detailed 3D pictures of a patient's jaw, teeth, and surrounding structures using a rotating X-ray source. Unlike traditional 2D X-rays, a CBCT scan generates a complete volumetric model of the surgical area, allowing clinicians to assess bone height, width, and density from multiple angles.

For dental implant treatment, CBCT imaging serves several critical functions. It reveals exactly where bone exists and where resorption has occurred, helping determine if a site can support an implant directly or whether bone grafting may be needed. The scan also maps the position of the inferior alveolar nerve and other vital anatomical landmarks, which is essential for avoiding nerve damage during surgery. In the upper jaw, CBCT shows the relationship between implant sites and the maxillary sinuses, preventing sinus perforation during placement.

Dentists and oral surgeons use CBCT data to plan implant angle, depth, and diameter before surgery begins. Many practices use specialized implant planning software that overlays the 3D scan with proposed implant positions. This advance planning reduces surgical time, improves implant positioning, and increases the likelihood of long-term success. When you visit implant providers in Columbia, most will take a CBCT scan as part of the treatment planning phase if bone anatomy cannot be adequately assessed by other means.

CBCT involves more radiation than a single periapical X-ray but delivers a lower dose than traditional medical CT scans. It has become standard of care in many implant practices because the anatomical detail it provides directly improves surgical precision and patient outcomes.