Comparisons between methods for analyzing dental calculus samples from El Mirador cave (Sierra de Atapuerca, Spain)

Microremains entrapped in dental calculus are being used as a source of information to address a number of archeological questions. However, current laboratory procedures may affect the recovery of microremains and this issue has not been thoroughly investigated. This study involved the analysis of...

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Bibliographic Details
Published in:	Archaeological and anthropological sciences 2019-11, Vol.11 (11), p.6305-6314
Main Authors:	Bucchi, Ana, Burguet-Coca, Aitor, Expósito, Isabel, Aceituno Bocanegra, Francisco Javier, Lozano, Marina
Format:	Article
Language:	eng
Subjects:	Anthropology Archaeological research Archaeology Caves Chemistry/Food Science Contamination Earth and Environmental Science Earth Sciences Farming Geography Life Sciences Original Paper Preservation
Online Access:	Get full text
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Summary:	Microremains entrapped in dental calculus are being used as a source of information to address a number of archeological questions. However, current laboratory procedures may affect the recovery of microremains and this issue has not been thoroughly investigated. This study involved the analysis of dental calculus from five Chalcolithic individuals from El Mirador cave (Sierra de Atapuerca, Spain) from a methodological perspective. Two sample processing protocols published in the archeological literature were used for this purpose, and results were compared to the El Mirador archaeobotanical record published elsewhere. Analyzed as a whole, the microremains found in the dental calculus samples are consistent with a population immersed in a farming economy, although they are not representative of the richness of the archaeobotanical record of the site. Furthermore, the two protocols delivered different results, in terms of the number of microremains identified, the time required for analysis, and associated contamination problems. This data indicates that the method selected may affect the results. We recommend further research using a larger sample set to fully understand how methodological factors affect the preservation and observation of microremains embedded in dental calculus. We also call for a discussion on the role of dental calculus in archeological research.
ISSN:	1866-9557 1866-9565