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The Erratic Behavior of Lesions in Burnt Bone.

Authors
  • Collini, Federica1
  • Amadasi, Alberto1
  • Mazzucchi, Alessandra1
  • Porta, Davide1
  • Regazzola, Valeria Luisa1
  • Garofalo, Paola1
  • Di Blasio, Annalisa1
  • Cattaneo, Cristina1
  • 1 LABANOF, Laboratorio di Antropologia e Odontologia Forense, Sezione di Medicina Legale e delle Assicurazioni, Dipartimento di Scienze Biomediche per la Salute, Università degli Studi di Milano, Via Luigi Mangiagalli 37, 20133, Milano, Italy. , (Italy)
Type
Published Article
Journal
Journal of forensic sciences
Publication Date
Sep 01, 2015
Volume
60
Issue
5
Pages
1290–1294
Identifiers
DOI: 10.1111/1556-4029.12794
PMID: 26257320
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

This study analyses depressed fractures (by blunt force trauma) and circular full-thickness injuries (drill injuries and gunshot wounds) in charred bones. Fifty bovine ribs (total 104 lesions) were divided into three groups. The first group consisted in 20 depressed hammer-produced fractures; in the second one, 60 round drill-holes were produced (30 circular, 30 semicircular); in the third group, 12 fleshed and 12 skeletonized ribs were hit by 9-mm bullets. Each specimen was carbonized in an electric oven up to 800°C. Morphological and metric analyses were performed before and after: morphological features were preserved, but depressed fractures showed an increase in their dimensions (p-value<0.05); the drilled holes shrunk (p-value<0.01); the charring cycle increased the number of fractures in samples with gunshot wounds differently in fleshed and defleshed ribs. This study showed the complex behavior of charred bone, for what concerns the interpretation of trauma and how caution should be applied. © 2015 American Academy of Forensic Sciences.

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