TY - JOUR
T1 - Human dental enamel
T2 - A natural nanotechnology masterpiece investigated by TEM and t-EBSD
AU - Koblischka-Veneva, Anjela
AU - Koblischka, Michael R.
AU - Schmauch, Jörg
AU - Hannig, Matthias
N1 - Funding Information:
This work is supported by Saarland University (“Anschubfinanzierung”). The authors thank F. Soldera (UdS, Institute of Functional Materials) for the excellent FIB work.
Publisher Copyright:
© 2018, Tsinghua University Press and Springer-Verlag GmbH Germany, part of Springer Nature.
PY - 2018/7/1
Y1 - 2018/7/1
N2 - The micro- and nanostructures of human dental enamel were investigated by transmission electron microscopy (TEM) and electron backscatter diffraction (EBSD). For this purpose, TEM slices were prepared from teeth by focused ion-beam milling. These slices enabled TEM and transmission-EBSD (t-EBSD) investigations to be performed, while standard EBSD on bulk tooth samples resulted only in Kikuchi patterns. On the TEM slices, t-EBSD enabled automated mapping. The TEM images and the EBSD data clearly elucidated the arrangement of the hydroxyapatite crystals on the nanometer scale. Information regarding the crystallographic orientation of the apatite grains enabled the deduction of novel nanotechnological building principles of the enamel structure based on a chain-like arrangement of the crystallites.
AB - The micro- and nanostructures of human dental enamel were investigated by transmission electron microscopy (TEM) and electron backscatter diffraction (EBSD). For this purpose, TEM slices were prepared from teeth by focused ion-beam milling. These slices enabled TEM and transmission-EBSD (t-EBSD) investigations to be performed, while standard EBSD on bulk tooth samples resulted only in Kikuchi patterns. On the TEM slices, t-EBSD enabled automated mapping. The TEM images and the EBSD data clearly elucidated the arrangement of the hydroxyapatite crystals on the nanometer scale. Information regarding the crystallographic orientation of the apatite grains enabled the deduction of novel nanotechnological building principles of the enamel structure based on a chain-like arrangement of the crystallites.
KW - electron backscatter diffraction (EBSD)
KW - enamel
KW - microstructure
KW - transmission electron microscopy (TEM)
KW - transmission-EBSD (t-EBSD)
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U2 - 10.1007/s12274-018-1968-1
DO - 10.1007/s12274-018-1968-1
M3 - Article
AN - SCOPUS:85040700608
SN - 1998-0124
VL - 11
SP - 3911
EP - 3921
JO - Nano Research
JF - Nano Research
IS - 7
ER -