Reply to the ‘Comments on “Dental lessons from past to present: ultrastructure and composition of teeth from plesiosaurs, dinosaurs, extinct and recent sharks”’ by H. Botella et al., RSC Adv., 2016, 6, 74384–74388

A. Luebke; K. Loza; R. Patnaik; J. Enax; D. Raabe; O. Prymak; H.-O. Fabritius; P. Gaengler; M. Epple

doi:10.1039/C6RA27121A

Reply to the ‘Comments on “Dental lessons from past to present: ultrastructure and composition of teeth from plesiosaurs, dinosaurs, extinct and recent sharks”’ by H. Botella et al., RSC Adv., 2016, 6, 74384–74388†

A. Luebke,^a K. Loza,^a R. Patnaik,^b J. Enax,^a D. Raabe,^c O. Prymak,^a H.-O. Fabritius,^c P. Gaengler^d and M. Epple

*^a

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* Corresponding authors

^a Institute of Inorganic Chemistry and Center for Nanointegration Duisburg-Essen (CeNIDE), University of Duisburg-Essen, Universitaetsstr. 5-7, 45117 Essen, Germany
E-mail: matthias.epple@uni-due.de

^b Centre of Advanced Study in Geology, Panjab University, Chandigarh 160014, India

^c Microstructure Physics and Alloy Design, Max-Planck-Institut für Eisenforschung, Max-Planck-Str. 1, 40237 Düsseldorf, Germany

^d ORMED, Institute for Oral Medicine at the University of Witten/Herdecke, Alfred-Herrhausen-Straße 45, 58448 Witten, Germany

Abstract

The structure and composition of 13 fossilized tooth and bone samples aged between 3 and 70 million years were analysed. It was found that they all contained high amounts of fluoroapatite. This indicates that originally present hydroxyapatite had been converted to fluoroapatite during the diagenesis. Thus, the chemical analysis allows no conclusion with respect to the original composition of our fossil samples. Our results indicate that the diagenetic transformation of hydroxyapatite into fluoroapatite is at least partially dependent on microstructural characteristics of the original tissue such as the degree of porosity.

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DOI: https://doi.org/10.1039/C6RA27121A
Article type: Letter
Submitted: 21 Nov 2016
Accepted: 02 Jan 2017
First published: 19 Jan 2017
This article is Open Access

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RSC Adv., 2017,7, 6215-6222

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Reply to the ‘Comments on “Dental lessons from past to present: ultrastructure and composition of teeth from plesiosaurs, dinosaurs, extinct and recent sharks”’ by H. Botella et al., RSC Adv., 2016, 6, 74384–74388

A. Luebke, K. Loza, R. Patnaik, J. Enax, D. Raabe, O. Prymak, H.-O. Fabritius, P. Gaengler and M. Epple, RSC Adv., 2017, 7, 6215 DOI: 10.1039/C6RA27121A

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Reply to the ‘Comments on “Dental lessons from past to present: ultrastructure and composition of teeth from plesiosaurs, dinosaurs, extinct and recent sharks”’ by H. Botella et al., RSC Adv., 2016, 6, 74384–74388†

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Reply to the ‘Comments on “Dental lessons from past to present: ultrastructure and composition of teeth from plesiosaurs, dinosaurs, extinct and recent sharks”’ by H. Botella et al., RSC Adv., 2016, 6, 74384–74388

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