alexa Biomechanical factors in human dermal bitemarks in a cadaver model.
Social & Political Sciences

Social & Political Sciences

Journal of Civil & Legal Sciences

Author(s): Bush MA, Miller RG, Bush PJ, Dorion RB

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Abstract In bitemark analysis, the forensic odontologist must consider how the biomechanical properties of the skin contribute to distortion of the bitemark. In addition, one must consider how the bitemark can be distorted by postural movement of the victim after the bite has occurred. A fundamental review of the architecture and biomechanical properties of the dermis is described and evaluated through bites made on cadavers. In order to assess distortion, 23 bites from a single characterized dentition were made on un-embalmed cadaver skin. Bite indentations were photographed. Following various body manipulations they were re-photographed in different positions. Hollow volume overlays of the biting dentition were constructed, and metric analysis of the dentition and all bitemarks was completed. The overall intercanine, mesial to distal, and angle of rotation distortion was calculated. Of the 23 bites made, none were measurably identical, and in some cases, dramatic distortion was noted. This article was published in J Forensic Sci and referenced in Journal of Civil & Legal Sciences

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