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Effects of heat on cut mark characteristics.

Waltenberger, L. and Schutkowski, H., 2017. Effects of heat on cut mark characteristics. Forensic Science International, 271 (February), 49 - 58.

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Waltenberger Schutkowski FSI 2017.pdf - Published Version
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DOI: 10.1016/j.forsciint.2016.12.018


Cut marks on bones provide crucial information about tools used and their mode of application, both in archaeological and forensic contexts. Despite a substantial amount of research on cut mark analysis and the influence of fire on bones (shrinkage, fracture pattern, recrystallisation), there is still a lack of knowledge in cut mark analysis on burnt remains. This study provides information about heat alteration of cut marks and whether consistent features can be observed that allow direct interpretation of the implemented tools used. In a controlled experiment, cut marks (n=25) were inflicted on pig ribs (n=7) with a kitchen knife and examined using micro-CT and digital microscopy. The methods were compared in terms of their efficacy in recording cut marks on native and heat-treated bones. Statistical analysis demonstrates that floor angles and the maximum slope height of cuts undergo significant alteration, whereas width, depth, floor radius, slope, and opening angle remain stable. Micro-CT and digital microscopy are both suitable methods for cut mark analysis. However, significant differences in measurements were detected between both methods, as micro-CT is less accurate due to the lower resolution. Moreover, stabbing led to micro-fissures surrounding the cuts, which might also influence the alteration of cut marks.

Item Type:Article
Uncontrolled Keywords:Burnt bones; Digital microscopy; Micro-CT; Pig model; Rib trauma; Stab wounds
Group:Faculty of Science & Technology
ID Code:26182
Deposited By: Symplectic RT2
Deposited On:16 Jan 2017 13:57
Last Modified:14 Mar 2022 14:01


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