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Title: Human dental age estimation combining third molar(s) development and tooth morphological age predictors
Authors: Thevissen, Patrick ×
Galiti, Dimitra
Willems, Guy #
Issue Date: Nov-2012
Publisher: Springer International
Series Title: International Journal of Legal Medicine vol:126 issue:6 pages:883-887
Abstract: In the subadult age group, third molar development,
as well as age-related morphological tooth information
can be observed on panoramic radiographs. The aim of
present study was to combine, in subadults, panoramic
radiographic data based on developmental stages of third
molar(s) and morphological measurements from permanent
teeth, in order to evaluate its added age-predicting performances.
In the age range between 15 and 23 years, 25 genderspecific
radiographs were collected within each age category
of 1 year. Third molar development was classified and
registered according the 10-point staging and scoring technique
proposed by Gleiser and Hunt (1955), modified by
Köhler (1994). The Kvaal (1995) measuring technique was
applied on the indicated teeth from the individuals’ left side.
Linear regression models with age as response and third
molar-scored stages as explanatory variables were developed,
and morphological measurements from permanent
teeth were added. From the models, determination coefficients
(R2) and root-mean-square errors (RMSE) were calculated.
Maximal-added age information was reported as a
6 % R² increase and a 0.10-year decrease of RMSE. Forensic
dental age estimations on panoramic radiographic data in
the subadult group (15–23 year) should only be based on
third molar development.
ISSN: 0937-9827
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Forensic Dentistry
× corresponding author
# (joint) last author

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