1. Evidence of noncentrosymmetry of human tooth hydroxyapatite crystals.
- Author
-
Mugnaioli E, Reyes-Gasga J, Kolb U, Hemmerlé J, and Brès É
- Subjects
- Adult, Dentin chemistry, Female, Humans, Hydroxides chemistry, Male, Nanoparticles chemistry, Spectrometry, X-Ray Emission, X-Ray Diffraction, Dental Enamel chemistry, Durapatite chemistry
- Abstract
Herein, we investigate human single hydroxyapatite crystals (enamel and dentine) by convergent-beam electron diffraction (CBED) and automated electron-diffraction tomography (ADT). The CBED pattern shows the absence of the mirror plane perpendicular to the c axis leading to the P63 space group instead of the P63 /m space group considered for larger-scale crystals, this is confirmed by ADT. This experimental evidence is of prime importance for understanding the morphogenesis and the architectural organization of calcified tissues., (© 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.)
- Published
- 2014
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