To evaluate the utility of smaller sample sizes when assessing dental maturity curves for forensic age estimation |
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Authors: | Flood Sara J Mitchell Warren J Oxnard Charles E Turlach Berwin A McGeachie John |
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Affiliation: | School of Anatomy and Human Biology, The University of Western Australia, 35 Stirling Highway, Crawley, Western Australia, Australia. sara.flood@uwa.edu.au |
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Abstract: | Dental maturation and chronological age estimation were determined from 144 healthy Western Australian individuals aged 3.6-14.5 years. The results were compared with Farah et al.'s previous study which comprised a larger heterogeneous sample of Western Australian individuals (n = 1450). Orthopantomograms were analyzed with the application of Demirjian and Goldstein's 4-tooth method based on eight stages of dental mineralization. Analysis of variance revealed no significant differences in dental maturity scores in each age group among the males in both studies; similar results were seen in the females. Paired t-tests showed no statistical significance overall between chronological and estimated ages for the males in our sample (p = 0.181), whereas the females showed significant differences (p < 0.001). Our results show that smaller samples may be used when assessing dental maturity curves for forensic age estimation. |
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Keywords: | forensic science forensic odontology dental development Western Australian sub‐adults smaller samples Demirjian and Goldstein |
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