Synchrotron radiation-based phase-contrast microtomography of human dental calculus allows nondestructive analysis of inclusions: implications for archeological samples
| Autor: | Robert C. Power, Amanda G. Henry, Julian Moosmann, Felix Beckmann, Heiko Temming, Anthony Roberts, Adeline Le Cabec |
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| Jazyk: | angličtina |
| Rok vydání: | 2022 |
| Předmět: | |
| Zdroj: | Journal of Medical Imaging, 9(3):031505. SPIE-Intl Soc Optical Eng Power, R.C.; Henry, A.G.; Moosmann, J.; Beckmann, F.; Temming, H.; Roberts, A.; Le Cabec, A.: Synchrotron radiation-based phase-contrast microtomography of human dental calculus allows nondestructive analysis of inclusions: implications for archeological samples. In: Journal of Medical Imaging. Vol. 9 (2022) 3, 031505. (DOI: /10.1117/1.JMI.9.3.031505) Journal of medical imaging 9(03), 031505 (2022). doi:10.1117/1.JMI.9.3.031505 Journal of Medical Imaging |
| ISSN: | 2329-4302 |
| Popis: | Journal of medical imaging 9(03), 031505 (2022). doi:10.1117/1.JMI.9.3.031505 Purpose: Dental calculus forms on teeth during the life of an individual and its investigation can yield information about diet, health status, and environmental pollution. Currently, the analytical techniques used to visualize the internal structure of human dental calculus and entrapped inclusions are limited and require destructive sampling, which cannot always be justified.Approach: We used propagation phase-contrast synchrotron radiation micro-computed tomography (PPC-SR-��CT) to non-destructively examine the internal organization of dental calculus, including its microstructure and entrapped inclusions, on both modern and archeological samples.Results: The virtual histological exploration of the samples shows that PPC-SR-��CT is a powerful approach to visualize the internal organization of dental calculus. We identified several important features, including previously undetected negative imprints of enamel and dentine growth markers (perikymata and periradicular bands, respectively), the non-contiguous structure of calculus layers with multiple voids, and entrapped plant remains.Conclusions: PPC-SR-��CT is an effective technique to explore dental calculus structural organization, and is especially powerful for enabling the identification of inclusions. The non-destructive nature of synchrotron tomography helps protect samples for future research. However, the irregular layers and frequent voids reveal a high heterogeneity and variability within calculus, with implications for research focusing on inclusions. Published by SPIE, [Bellingham, Wash.] |
| Databáze: | OpenAIRE |
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