What Drives Metal Artifacts in CBCT? A Comparative Study of Detector Types and Metallic Object Configurations
Zahra Vasegh, Yaser Safi, Mina Iranparvar Alamdari, Katayoun Ghaffari, Mehdi Hosseinzadeh · 2026
Read What Drives Metal Artifacts in CBCT? A Comparative Study of Detector Types and Metallic Object Configurations by Zahra Vasegh, Yaser Safi, Mina Iranparvar Alamdari, Katayoun Ghaffari, Mehdi Hosseinzadeh (2026) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-13243878.txt.
Description
Zahra Vasegh and co-authors asked what drives the streaky artifacts that metal leaves in dental cone beam scans. Their laboratory study appeared in Radiology Research and Practice in 2026. Four scanner models were compared, two with detectors aligned to the beam and two with offset detectors. A dry human skull was scanned holding a titanium implant, a crowned tooth with a metal post, and an amalgam-filled tooth, in varying positions and numbers.
Every factor mattered. Detector design, the metal's composition, how many objects sat in the field, and whether they sat near or far from the region of interest all shifted artifact severity significantly. Image slices were scored by gray value spread, where cleaner images read brighter and steadier. The authors distill the physics into practical guidance: scan planning that minds metal position and count can rescue diagnostic quality. Scanner choice itself, they show, is part of the prescription.
Catalog record
| CREATOR | Zahra Vasegh, Yaser Safi, Mina Iranparvar Alamdari, Katayoun Ghaffari, Mehdi Hosseinzadeh |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 44 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |