University of Khartoum

Comparative Study on Two Methods for Bite Mark Analysis

Comparative Study on Two Methods for Bite Mark Analysis

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Title: Comparative Study on Two Methods for Bite Mark Analysis
Author: Osman, Nima A.; Omer, Aya Z.; Abuaffan, Amal H.
Abstract: Objectives: The aims of this study are to evaluate the accuracy of two methods for bite mark analysis (overlay and docking techniques) on three different food materials; apple, eggplant and chocolate, to compare the accuracy of bite mark analysis in the three food materials and to identify the most accurate bite mark. Materials and Methods: The participants in this study were instructed to bite on three different food materials; apple, eggplant and chocolate. Two impressions were taken, one from the bite marks by silicone impression material and the second one from the participants’ dentitions by alginate impression material. Dental casts were obtained by poured the dental stone in the impressions taken. Results: The Kruskal-Wallis ANOVA test was used to evaluate the accuracy of the bite mark analysis on the food materials and by Spearman’s correlation to compare between the accuracy of the two techniques (overlay technique and docking technique). Conclusion: The two applied techniques are similar in accuracy for bite mark analysis. The three use food material is reliable for the bite mark analysis with higher reproducibility on the chocolate than on apple and eggplant.
URI: http://khartoumspace.uofk.edu/123456789/26087


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