Detection of Tooth-Colored Restorative Materials for Forensic Purposes Based on Their Optical Properties: An In Vitro Comparative Study

Kiran, R, Chapman, J, Tennant, M, Forrest, A and Walsh, L 2019, 'Detection of Tooth-Colored Restorative Materials for Forensic Purposes Based on Their Optical Properties: An In Vitro Comparative Study', Journal of Forensic Sciences, vol. 64, no. 1, pp. 254-259.


Document type: Journal Article
Collection: Journal Articles

Title Detection of Tooth-Colored Restorative Materials for Forensic Purposes Based on Their Optical Properties: An In Vitro Comparative Study
Author(s) Kiran, R
Chapman, J
Tennant, M
Forrest, A
Walsh, L
Year 2019
Journal name Journal of Forensic Sciences
Volume number 64
Issue number 1
Start page 254
End page 259
Total pages 6
Publisher Wiley-Blackwell
Abstract Victim identification using dental records involves antemortem and postmortem comparison of dental charts. Since dental restorations may be part of such records, identifying them accurately is critical. The objective of this study was to compare the diagnostic reliability and validity of two optical methods for identifying tooth-colored restorations (digital imaging fiber optic transillumination (DiFOTI) using near infrared light, and fluorescence-aided identification of restorations (FAIR)) with conventional diagnostic methods. Four examiners identified and charted tooth-colored restorations in three sets of typodonts on the bench using conventional visual and tactile examination, DiFOTI (DIAGNOcam TM) and FAIR. All examinations were repeated after 4 weeks. Both the sensitivity (95%) and specificity (97%) of the FAIR method were significantly higher than those for DiFOTI (82% and 82%) and for conventional inspection (71% and 82%). In conclusion, FAIR method performed better than conventional examination and DiFOTI, and was more reliable for identifying tooth-colored restorations.
Subject Optical Properties of Materials
Keyword(s) dental charting
fluorescence
forensic dental identification
forensic science
FOTI
technology
tooth-colored restorative materials
DOI - identifier 10.1111/1556-4029.13851
Copyright notice © 2018 American Academy of Forensic Sciences
ISSN 0022-1198
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