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New regression formula to estimate the prenatal crown formation time of human deciduous central incisors derived from a Roman Imperial sample (Velia, Salerno, Italy, I-II cent. CE)

Nava, Alessia, Bondioli, Luca, Coppa, Alfredo, Dean, Christopher, Rossi, Paola Francesca, Zanolli, Clément (2017) New regression formula to estimate the prenatal crown formation time of human deciduous central incisors derived from a Roman Imperial sample (Velia, Salerno, Italy, I-II cent. CE). PLOS ONE, 12 (7). Article Number e0180104. E-ISSN 1932-6203. (doi:10.1371/journal.pone.0180104) (KAR id:82955)

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https://dx.doi.org/10.1371/journal.pone.0180104

Abstract

The characterization and quantification of human dental enamel microstructure, in both permanent and deciduous teeth, allows us to document crucial growth parameters and to identify stressful events, thus contributing to the reconstruction of the past life history of an individual. Most studies to date have focused on the more accessible post-natal portion of the deciduous dental enamel, even though the analysis of prenatal enamel is pivotal in understanding fetal growth, and reveals information about the mother’s health status during pregnancy. This contribution reports new data describing the prenatal enamel development of 18 central deciduous incisors from the Imperial Roman necropolis of Velia (I-II century CE, Salerno, Italy). Histomorphometrical analysis was performed to collect data on prenatal crown formation times, daily secretion rates and enamel extension rates. Results for the Velia sample allowed us to derive a new regression formula, using a robust statistical approach, that describes the average rates of deciduous enamel formation. This can now be used as a reference for pre-industrial populations. The same regression formula, even

when daily incremental markings are difficult to visualize, may provide a clue to predicting the proportion of infants born full term and pre-term in an archaeological series.

Item Type: Article
DOI/Identification number: 10.1371/journal.pone.0180104
Uncontrolled keywords: Incisors, Prisms, Teeth, Dentition, Archaeology, Histology, Dentin, Secretion
Subjects: C Auxiliary Sciences of History > CC Archaeology
H Social Sciences
Divisions: Divisions > Division of Human and Social Sciences > School of Anthropology and Conservation
Depositing User: Alessia Nava
Date Deposited: 09 Nov 2020 15:15 UTC
Last Modified: 19 Jul 2022 11:45 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/82955 (The current URI for this page, for reference purposes)
Nava, Alessia: https://orcid.org/0000-0002-6319-0425
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