ArticleOral and maxillofacial surgery2025
Postoperative assessment of fracture reduction and osteosynthesis materials using photon-counting detector CT in maxillofacial trauma - a pilot study.
Article in Oral and maxillofacial surgery, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Intraoperative C-arm CBCT versus early postoperative MRI for the assessment of fracture reduction and osteosynthesis material positioning in cranio-maxillofacial trauma surgery.Oral and maxillofacial surgery · 2026Observational
- Optimization of dental implant imaging using photon-counting detector computed tomography in oral and maxillofacial surgery: an ex vivo study.European radiology experimental · 2026Article
- Photon-counting detector vs. cone-beam CT in endodontics: a study of simulated endodontic conditions, treatments, and associated complications.BMC oral health · 2026Article
- Photon-counting CT angiography in a multi-trauma patient with bilateral pulmonary embolism: combined vascular mapping and quantitative iodine-density assessment prior to scalp reconstruction: case report.Frontiers in medicine · 2026Article
- Exploring Dental Anatomy: An Ex Vivo Comparative Study Between Photon-Counting Detector CT and Cone-Beam CT.Clinical and experimental dental research · 2025Article
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Abstract
purposeTo assess postoperative fracture reduction and visualization of titanium-based and bioresorbable osteosynthesis materials in maxillofacial trauma surgery using ultra-high-resolution photon-counting detector computed tomography (PCD-CT) compared with cone-beam computed tomography (CBCT).
methodsFractures were induced in six cadaveric pig mandibles at the angle, body, and parasymphysis and were stabilized using various titanium and bioresorbable plate systems. Specimens were scanned with CBCT and dose-matched PCD-CT in the ultra-high resolution mode, applying standard and low-dose protocols. Two observers assessed fracture reduction and implant delineation using a 5-point visual analog scale. Fracture gap and osteosynthesis materials were quantitatively measured and compared to ground-truth values. Descriptive statistics and inter-reader agreement (weighted κ) were calculated.
resultsPCD-CT enabled excellent assessment of fracture reduction and visualization of osteosynthesis materials, with perfect inter-observer agreement (Median = 5, IQR, 5-5; κ = 1.0, p < 0.001), whereas low-dose CBCT showed reduced image quality and lower reproducibility (Median = 4, IQR, 4-4; κ = 0.92; p < 0.001). Bioresorbable plates were not directly visible using either scanner, but the associated screw drill holes were reliably delineated. PCD-CT achieved the smallest measurement deviations of fracture gap and osteosynthesis materials compared with ground truth, and with superior reproducibility (κ = 0.74-0.84; ICC = 0.95-0.99; all p < 0.001), outperforming CBCT across most parameters.
conclusionsUltra-high resolution PCD-CT combines superior visualization and precise measurements compared with CBCT even at low radiation dose. With further clinical validation, these findings highlight PCD-CT's strong potential for perioperative imaging in maxillofacial trauma, particularly benefiting younger patients who require repeated scans.
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