Abstract
Age estimation from primary teeth is an important matter for forensic odontology, which can be found by the application of direct or indirect age estimation methods that are functions of tooth measurements. The most distinctive teeth among these are the upper central incisors, because of their early development. The aim of this study is to determine the age of fetuses or infants by measuring the tooth development directly from tooth surfaces or from indirect measurements obtained from the tooth structures on the computerized tomography digital images. The data of all measurements were statistically processed by regression analysis and regression formulas were derived. The results revealed that age could be estimated from various tooth dimensions within an accuracy of ±0-2 weeks for both methods and therefore indirect method -which was proposed as Virtual Dental Identification (VirDent-ID) by the authors PS. Aka and N. Canturk- could be a matter of choice instead of traditional direct oral autopsy methods. The best measurements for age estimation can be obtained from the longest vertical dimension, which is the tooth height, and the best age estimation formula was also generated from the tooth height. In conclusion, age formulas derived from direct or indirect measurements of fetus or infant tooth development stages may be used as an aid for dental identification, until the completion of upper central primary tooth development.
Highlights
Forensic identification is one of the most significant issues of the forensic sciences that include the estimation of features as; age, gender, biologic varieties and stature of an individual
The results revealed that age could be estimated from various tooth dimensions within an accuracy of ±0-2 weeks for both methods and indirect method -which was proposed as Virtual Dental Identification (VirDent-ID) by the authors PS
The aim of this research was to evaluate the best method to estimate age of a fetus or infant by measuring the tooth development of a primary tooth directly from tooth surfaces or from indirect measurements obtained from the tooth structures on the computerized tomography digital images, which is proposed as Virtual Dental Identification “VirDent-ID” by the authors PS
Summary
Forensic identification is one of the most significant issues of the forensic sciences that include the estimation of features as; age, gender, biologic varieties and stature of an individual. In case an erupted tooth is present it has to be measured in-situ only the crown measurements as; mesio-distal (MD), labio-lingual (LL), crown height (CH) could be recorded and calculated for age estimation. If the teeth were not erupted, deciduous teeth germs could be extracted for diagnostic identification purposes where root height (RH), tooth height (TH) and the crown thickness (CrT) dimensions could be measured. The authors of this study found four ATA entitled age formulas in their previous research, which were derived to give the relation of age with tooth dimensions and dedicated to the honour of the great Turkish leader Mustafa Kemal Ataturk (1881–1938) [1]
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