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Bitemarks in chocolate: a case report
C J McKenna1, M I Haron, K A Brown
1Forensic Odontology Unit, The University of Adelaide, South Australia.
The Journal of Forensic Odonto-Stomatology
|April 28, 2001
Summary
Forensic dentists analyzed bite marks on stolen chocolate, matching unique dental characteristics to a suspect. This dental evidence was crucial in identifying the perpetrator in the chocolate factory theft case.
Area of Science:
- Forensic Odontology
- Criminalistics
Background:
- Bite mark analysis is a recognized forensic technique.
- Irregular fractured surfaces on recovered items can preserve dental impressions.
Purpose of the Study:
- To determine if human teeth marks on stolen chocolate could be linked to a suspect.
- To evaluate the uniqueness and comparability of dental characteristics.
Main Methods:
- Impression casts were made from bite marks on chocolate.
- Photomicrography was used to examine and compare dental features.
- Detailed casts of the suspect's dentition were created for comparison.
Main Results:
- Bite marks on the chocolate exhibited patterns consistent with human dentition.
- Unique dental characteristics, including a notched incisor and tooth spacing, were identified.
- Direct and photomicrographic comparisons confirmed a match between the chocolate marks and the suspect's teeth.
Conclusions:
- The study successfully demonstrated the use of dental impression analysis in a criminal investigation.
- Unique dental characteristics can serve as reliable identifiers in forensic cases.
- Bite mark evidence from food items can be admissible in court.

