Related Experiment Video
Updated: Jun 25, 2026

Reliability of Artificial Intelligence-Based Cone Beam Computed Tomography Integration with Digital Dental Images
Published on: February 23, 2024
Evaluation of voxel values in mandibular cancellous bone: relationship between cone-beam computed tomography and
Munetaka Naitoh1, Akiko Hirukawa, Akitoshi Katsumata
1Department of Oral and Maxillofacial Radiology, School of Dentistry, Aichi-Gakuin University, 2-11 Suemori-Dori, Chikusa-Ku, Nagoya 464-8651, Japan. mune@dpc.aichi-gakuin.ac.jp
Objective:
Measurements of bone density in designed sites are important in presurgical imaging for dental implant treatment. However, the pixel or voxel values obtained from cone-beam computed tomography (CT) images are not absolute values. Hence, the relationship between voxel values obtained from cone-beam CT with a limited-volume exposure field and a flat panel detector and bone mineral densities (BMDs) obtained from multislice CT was evaluated in the mandible.
Material And Methods:
A total of 16 (four males and 12 females) patients who had undergone imaging for mandibular dental implant treatment using cone-beam CT with Alphard VEGA and multislice CT were enrolled in this investigation. Cross-sectional images of cone-beam and multislice CT were reconstructed, and values of regions of interest (ROIs) in images were calculated.
Results:
A high-level correlation between voxel values of cone-beam CT and BMDs of multislice CT was observed (r=0.965).
Conclusion:
It was suggested that voxel values of mandibular cancellous bone in cone-beam CT could be used to estimate bone density.
Related Concept Videos
Imaging Studies III: Computed Tomography
Computed Tomography
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
Imaging Studies I: CT and MRI
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...

