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| 001 | 303446 | ||
| 005 | 20250812114505.0 | ||
| 024 | 7 | _ | |a 10.1186/s40729-025-00640-8 |2 doi |
| 024 | 7 | _ | |a pmid:40782315 |2 pmid |
| 037 | _ | _ | |a DKFZ-2025-01659 |
| 041 | _ | _ | |a English |
| 082 | _ | _ | |a 610 |
| 100 | 1 | _ | |a Ruetters, Maurice |b 0 |
| 245 | _ | _ | |a Dental photon-counting computed tomography for the assessment of Peri-Implant structures. |
| 260 | _ | _ | |a Heidelberg |c 2025 |b Springer |
| 336 | 7 | _ | |a article |2 DRIVER |
| 336 | 7 | _ | |a Output Types/Journal article |2 DataCite |
| 336 | 7 | _ | |a Journal Article |b journal |m journal |0 PUB:(DE-HGF)16 |s 1754912961_15544 |2 PUB:(DE-HGF) |
| 336 | 7 | _ | |a ARTICLE |2 BibTeX |
| 336 | 7 | _ | |a JOURNAL_ARTICLE |2 ORCID |
| 336 | 7 | _ | |a Journal Article |0 0 |2 EndNote |
| 500 | _ | _ | |a #LA:E025# |
| 520 | _ | _ | |a To assess the diagnostic performance of photon-counting computed tomography (PCCT) in the imaging of peri-implant bone structures and to compare it quantitatively and qualitatively to cone-beam computed tomography (CBCT).Thirty titanium implants were placed in ten porcine mandibles. CBCT and PCCT scans were acquired and compared quantitatively regarding image noise and CT-values. Additionally bone thickness was compared to a gold standard at 60 standardized locations by one calibrated investigator in both modalities. Measurement accuracy was assessed by Bland-Altman analysis. Two experienced raters performed qualitative assessments of anatomic structures around the implant using a 5-point visibility scale. These included the bone-implant interface around the implant surface, the bone at the implant shoulder as well as the oral and vestibular bone lamella. Inter-rater agreement was assessed using ICC.Across all evaluated implants, CT-values in a soft-tissue region of interest adjacent to the implant increased by 11.7 ± 3.9% for CBCT acquisitions, whereas they decreased by 5.3 ± 1.3% for PCCT acquisitions. Similarly, image noise in the respective ROIs is increased by a factor of 63 ± 13% in case of CBCT acquisitions and only by 23 ± 5% in case of PCCT acquisitions. Bone thickness deviations were smaller for PCCT (mean ± SD: 0.06 ± 0.08 mm) than for CBCT (0.39 ± 0.34 mm). Qualitative assessments consistently favored PCCT (p < 0.05) with excellent inter-rater reliability (ICC > 0.75 ) in almost all categories.PCCT enables superior visualization of peri-implant bone structures with fewer artifacts and improved diagnostic accuracy. |
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| 650 | _ | 7 | |a 3D dental imaging |2 Other |
| 650 | _ | 7 | |a CBCT |2 Other |
| 650 | _ | 7 | |a Image quality |2 Other |
| 650 | _ | 7 | |a Implant diagnostics |2 Other |
| 650 | _ | 7 | |a Metal artifacts |2 Other |
| 650 | _ | 7 | |a Peri-implant bone |2 Other |
| 650 | _ | 7 | |a Photon-counting CT |2 Other |
| 650 | _ | 7 | |a Dental Implants |2 NLM Chemicals |
| 650 | _ | 2 | |a Animals |2 MeSH |
| 650 | _ | 2 | |a Swine |2 MeSH |
| 650 | _ | 2 | |a Cone-Beam Computed Tomography: methods |2 MeSH |
| 650 | _ | 2 | |a Dental Implants |2 MeSH |
| 650 | _ | 2 | |a Mandible: diagnostic imaging |2 MeSH |
| 650 | _ | 2 | |a Mandible: surgery |2 MeSH |
| 650 | _ | 2 | |a Tomography, X-Ray Computed: methods |2 MeSH |
| 650 | _ | 2 | |a Photons |2 MeSH |
| 700 | 1 | _ | |a Mertens, Christian |b 1 |
| 700 | 1 | _ | |a Gehrig, Holger |b 2 |
| 700 | 1 | _ | |a Sen, Sinan |b 3 |
| 700 | 1 | _ | |a Kim, Ti-Sun |b 4 |
| 700 | 1 | _ | |a Schlemmer, Hans-Peter |0 P:(DE-HGF)0 |b 5 |
| 700 | 1 | _ | |a Schoenberg, Stefan |b 6 |
| 700 | 1 | _ | |a Froelich, Matthias |b 7 |
| 700 | 1 | _ | |a Kachelrieß, Marc |0 P:(DE-He78)f288a8f92f092ddb41d52b1aeb915323 |b 8 |u dkfz |
| 700 | 1 | _ | |a Sawall, Stefan |0 P:(DE-He78)14909c75431f33f953a7ab4ad3bd7d51 |b 9 |e Last author |u dkfz |
| 773 | _ | _ | |a 10.1186/s40729-025-00640-8 |g Vol. 11, no. 1, p. 51 |0 PERI:(DE-600)2842869-9 |n 1 |p 51 |t International journal of implant dentistry |v 11 |y 2025 |x 2198-4034 |
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