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Published in: International Journal of Legal Medicine 6/2015

01-11-2015 | Original Article

Dental age estimation in living individuals using 3.0 T MRI of lower third molars

Authors: Yucheng Guo, Andreas Olze, Christian Ottow, Sven Schmidt, Ronald Schulz, Walter Heindel, Heidi Pfeiffer, Volker Vieth, Andreas Schmeling

Published in: International Journal of Legal Medicine | Issue 6/2015

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Abstract

In order to increase the validity of age estimation in adolescents and young adults when there is no legitimation for X-ray examinations, it seems desirable to be able to assess the mineralization of third molars using X-ray-free imaging procedures. In the present study, the mineralization stages of lower third molars were determined prospectively in 269 male and 248 female individuals aged 12 to 24 years using 3.0 T MRI. The classification system of Demirjian et al. was used to determine the stages. This study presents the minima and maxima, means and standard deviations, median values, and lower and upper quartiles separately for both sexes, for the mineralization stages B-H. Statistically significant sex differences were observed for the mineralization stages C, E, F, and G, and a faster developmental rate was observed for males. It was concluded that magnetic resonance imaging is an X-ray-free alternative to orthopantomography when assessing mineralization of third molars.
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Metadata
Title
Dental age estimation in living individuals using 3.0 T MRI of lower third molars
Authors
Yucheng Guo
Andreas Olze
Christian Ottow
Sven Schmidt
Ronald Schulz
Walter Heindel
Heidi Pfeiffer
Volker Vieth
Andreas Schmeling
Publication date
01-11-2015
Publisher
Springer Berlin Heidelberg
Published in
International Journal of Legal Medicine / Issue 6/2015
Print ISSN: 0937-9827
Electronic ISSN: 1437-1596
DOI
https://doi.org/10.1007/s00414-015-1238-7

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