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Indian Journal of Forensic and Community Medicine


Accuracy of canine, premolar and molar indices in sex determination


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Author Details: Divakar Seetharaman, Fremingston Marak, Jonathan Mariappan Daniel, Srinivasan Subramanian Vasudevan,

Volume : 3

Issue : 4

Online ISSN : 2394-6776

Print ISSN : 2394-6768

Article First Page : 245

Article End Page : 250


Abstract

Introduction: Sex determination is a subdivision of forensic odontology and it is very important especially when information relating to the deceased is unavailable.
Aim and Objective: To determine canine, premolar and molar indices in upper and lower arch and to evaluate the accuracy of canine, premolar and molar indices in determining sex.
Materials and Method: This study includes 28 patients of both sexes, age range between 18-45 years. Upper and lower impressions were made using alginate and the obtained casts were subjected to determine the canine, premolar and molar indices.
Results: In lower arch, there is a high significant gender difference at 1% level for mesio-distal width of canine and premolar index and 5% significance for molar index and premolar arch-width.
Conclusion: This study shows >70% of accuracy in sex determination using mandibular premolar index, premolar arch width and mandibular mesio-distal width of canine.

Keywords:
Tooth index, Odontometric analysis, Sexual dimorphism