Volume 46, Issue 3 (May 2001)

    Analysis of Distortion in Preserved Bite Mark Skin

    (Received 24 April 2000; accepted 28 July 2000)

    CODEN: JFSOAD

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    Abstract

    In addition to other methods for conservation of bite mark evidence, preservation of actual skin from deceased victims is often suggested. This study was undertaken to analyze the dimensional stability of such specimens. Utilizing a prefabricated template, marks approximating “bites” were made in postmortem skin of Miniature Hanford pigs, producing imprints with distinct margins and indentations. Tissue samples were stored in 10% formalin after affixing an acrylic support ring with cyanoacrylate adhesive and sutures. Measurements of the six tooth mark analogues and cross-arch dimensions were taken at intervals of up to 38 days.

    Data from these measurements indicate a wide range of amount and type of distortion in preserved tissue. Although some samples were dimensionally stable, there was both contraction and expansion of bite mark specimens, even within individual skin samples. It appears that standard techniques for storage and preservation of bite mark samples will not produce reliable dimensional accuracy.


    Author Information:

    Thien, AV
    University of Washington School of Dentistry, Department of Restorative Dentistry, King County Medical Examiner's Office, Seattle, WA

    Rothwell, BR
    University of Washington School of Dentistry, Department of Restorative Dentistry, King County Medical Examiner's Office, Seattle, WA


    Stock #: JFS15004J

    ISSN: 0022-1198

    DOI: 10.1520/JFS15004J

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    Author
    Title Analysis of Distortion in Preserved Bite Mark Skin
    Symposium , 0000-00-00
    Committee E30