Hard x-ray micro-tomography of a human head post-mortem as a gold standard to compare x-ray modalities
| Autor: | Dorothea Dagassan-Berndt, Georg Schulz, Bert Müller, M. Dalstra, Magdalena Müller-Gerbl, C. Verna |
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| Přispěvatelé: | Stock, Stuart, Müller, Bert, Wang, Ge |
| Rok vydání: | 2016 |
| Předmět: |
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medicine.medical_specialty Materials science genetic structures Pixel Human head Image quality Streak 030206 dentistry Gold standard (test) 030218 nuclear medicine & medical imaging 03 medical and health sciences 0302 clinical medicine medicine Head (vessel) Medical physics Dental alveolus Biomedical engineering |
| Zdroj: | Dalstra, M, Schulz, G, Dagassan-Berndt, D, Verna, C, Müller-Gerbl, M & Müller, B 2016, Hard x-ray micro-tomography of a human head post-mortem as a gold standard to compare X-ray modalities. in S Stock, B Müller & G Wang (eds), Developments in X-Ray Tomography X . vol. 9967, SPIE-International Society for Optical Engineering, Bellingham, WA, pp. 99670P-1-6, Annual Meeting of the SPIE, San Diego, California, United States, 28/08/2016 . |
| ISSN: | 0277-786X |
| DOI: | 10.1117/12.2237655 |
| Popis: | An entire human head obtained at autopsy was micro-CT scanned in a nano/micro-CT scanner in a 6-hour long session.Despite the size of the head, it could still be scanned with a pixel size of 70 μm. The aim of this study was to obtain an optimal quality 3D data-set to be used as baseline control in a larger study comparing the image quality of various conebeam CT systems currently used in dentistry.The image quality of the micro-CT scans was indeed better than the ones of the clinical imaging modalities, both with regard to noise and streak artifacts due to metal dental implants. Bony features in the jaws, like the trabecular architecture and the thin wall of the alveolar bone were clearly visible. Therefore, the 3D micro-CT data-set can be used as the gold standard for linear, angular, and volumetric measurements of anatomical features in and around the oral cavity when comparing clinical imaging modalities. |
| Databáze: | OpenAIRE |
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