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

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.

journal_name

Int J Legal Med

authors

Guo Y,Olze A,Ottow C,Schmidt S,Schulz R,Heindel W,Pfeiffer H,Vieth V,Schmeling A

doi

10.1007/s00414-015-1238-7

subject

Has Abstract

pub_date

2015-11-01 00:00:00

pages

1265-70

issue

6

eissn

0937-9827

issn

1437-1596

pii

10.1007/s00414-015-1238-7

journal_volume

129

pub_type

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