Bite Marks for Identification?—A Preliminary Report

DeVore, Duane T.

doi:10.1177/002580247101100309

Cited by 35 publications

(11 citation statements)

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“…The authors of these studies urged further investigation and acknowledged potential for discrepancies. Indeed, one study found a linear expansion of an inked concentric circle on the lateral thoracic wall to be as great as 60% as the arm was flexed and then raised (27). …”

mentioning

confidence: 99%

Biomechanical Factors in Human Dermal Bitemarks in a Cadaver Model*

Bush

Miller

Bush

et al. 2008

Journal of Forensic Sciences

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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.

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confidence: 99%

Biomechanical Factors in Human Dermal Bitemarks in a Cadaver Model*

Bush

Miller

Bush

et al. 2008

Journal of Forensic Sciences

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“…It has been argued that any bitemark on skin will have some degree of distortion, due to either oedema, recoil or other factor. This was demonstrated well by a study conducted in 1971 [55]. The experiment involved the inking of human skin (living volunteers, typically on the arm) using a stamp with two concentrically placed circles with intersecting lines.…”

Section: Human Skin As a Bite Registration Materialsmentioning

confidence: 79%

“…When the marks were analysed it was discovered that in all cases there was an expansion or shrinkage of the inked mark, with a maximum linear expansion of 60% at one location [55]. The design of the stamp permitted the investigators to examine the distortion in both size and direction.…”

Section: Human Skin As a Bite Registration Materialsmentioning

confidence: 99%

“…The design of the stamp permitted the investigators to examine the distortion in both size and direction. DeVore concluded that, due to the level of distortion found, photographic images of a bitemark in comparative analysis should be used only if the exact position of the body can be replicated [55]. Clearly this is an almost impossible task.…”

Section: Human Skin As a Bite Registration Materialsmentioning

confidence: 99%

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The barriers to achieving an evidence base for bitemark analysis

Pretty

2006

Forensic Science International

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“…This is due to elastic fibres in the dermis, distorting under pressure and then recoiling back to their original position [24]. The degree to which this occurs depends on a number of factors including age and anatomical location [66]. It has been argued that any bite-mark on skin will have some degree of distortion, due to either oedema, recoil or other factor.…”

Section: Human Skin As a Bite Registration Materialsmentioning

confidence: 99%

Reality Bites â Demystifying Crime

Gill¹,

Singh²

2015

J Forensic Res

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Forensic dentistry is an essential part of Forensic science, mainly involves the identification of an assailant by comparing a record of their dentition (set of teeth) with a record of a bite mark left on a victim. Human bite-mark traditionally provides the forensic dentist with both physical and biological evidence. Bites have been found in cases of homicide, attempted suicide, sexual assault, and child abuse. Bite marks with high evidentiary value that can be used in comparisons with the suspects' teeth will include marks from specific teeth that accurately record distinct traits. The teeth may also be used as weapon and, under certain circumstances may leave information as to the identity of the biter. Analysis of bite marks is the second major responsibility of the forensic dentist. However, the advent of DNA and its recovery from bite-marks has offered an objective method of bite-mark analysis. Despite the strengths of DNA, the physical comparison of a suspect's dentition to bite-mark injuries is still commonplace. The article provides an update on the current context and status of bite-mark analysis.

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Bite Marks for Identification?—A Preliminary Report

Cited by 35 publications

References 0 publications

Biomechanical Factors in Human Dermal Bitemarks in a Cadaver Model*

Biomechanical Factors in Human Dermal Bitemarks in a Cadaver Model*

The barriers to achieving an evidence base for bitemark analysis

Reality Bites â Demystifying Crime

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Bite Marks for Identification?—A Preliminary Report

Cited by 35 publications

References 0 publications

Biomechanical Factors in Human Dermal Bitemarks in a Cadaver Model*

Biomechanical Factors in Human Dermal Bitemarks in a Cadaver Model*

The barriers to achieving an evidence base for bitemark analysis

Reality Bites â Demystifying Crime

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Product

Resources

About

Reality Bites â Demystifying Crime