Rahmat, Rabiah A. and Humphries, Melissa A. and Austin, Jeremy J. and Linacre, Adrian M. T. and Self, Peter (2021) The development of a tool to predict temperature-exposure of incinerated teeth using colourimetric and hydroxyapatite crystal size data. International Journal of Legal Medicine, 135 (5). pp. 2045-2053. ISSN 0937-9827, DOI https://doi.org/10.1007/s00414-021-02538-7.
Full text not available from this repository.Abstract
This study presents a novel tool to predict temperature-exposure of incinerated pig teeth as a proxy for understanding impacts of fire on human teeth. Previous studies on the estimation of temperature-exposure of skeletal elements have been limited to that of heat-exposed bone. This predictive tool was developed using a multinomial regression model of colourimetric and hydroxyapatite crystal size variables using data obtained from unheated pig teeth and teeth incinerated at 300 degrees C, 600 degrees C, 800 degrees C and 1000 degrees C. An additional variable based on the observed appearance of the tooth was included in the tool. This enables the tooth to be classified as definitely burnt (600 degrees C-1000 degrees C) or uncertain (27 degrees C/300 degrees C). As a result, the model predicting the temperature-exposure of the incinerated teeth had an accuracy of 95%. This tool is a holistic, robust and reliable approach to estimate temperature of heat-exposed pig teeth, with high accuracy, and may act as a valuable proxy to estimate heat exposure for human teeth in forensic casework.
| Item Type: | Article |
|---|---|
| Funders: | School of Biological Sciences, the University of Adelaide |
| Uncontrolled Keywords: | Teeth; Temperature estimation; Heat-induced change; Colourimetry; X-ray diffraction; Multinomial regression model |
| Subjects: | R Medicine > R Medicine (General) R Medicine > RK Dentistry |
| Divisions: | Faculty of Dentistry > Dept of Oral & Maxillofacial Surgery |
| Depositing User: | Ms Zaharah Ramly |
| Date Deposited: | 25 Jul 2022 07:55 |
| Last Modified: | 25 Jul 2022 07:55 |
| URI: | http://eprints.um.edu.my/id/eprint/28144 |
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