Sexual Dimorphism in the Mandibles of Bengali Population: A Geometric Morphometric Approach
Journal Title: IOSR Journal of Dental and Medical Sciences (IOSR-JDMS) - Year 2017, Vol 16, Issue 5
Abstract
The identification of skeletal remains is of paramount importance in medico-legal investigations. Much of our understanding of modern human skeletal variation is derived from anthropological techniques based on the traditional linear metrical system (1). As evident from the earlier studies, skull is the most dimorphic and easily sexed portion of skeleton after pelvis, providing accuracy up to 92% (2). But in cases where intact skull is not found, mandible may play a vital role in sex determination as it is the most dimorphic, largest, and strongest bone of skull. The present study was conducted with the aim to measure, compare and evaluate the various measurements of mandible. The present study is a cross-sectional descriptive study. The sample comprised of 50 (25 male and 25 female) adult dry mandible bones. In our study, statistically significant (p=0.000) differences were seen in the linear distances of anatomical angles between the males and females. Same differences, also statistically significant (p=0.004), were seen in the linear distances of medico-legal angles. Also the mean distances between the two mental foramens in females and males were 74.74 mm and 83.46 mm respectively, hence making the difference to be statistically significant (p=0.001).
Authors and Affiliations
Dr. Tanushree Mondal, Dr. Saptarshi Chatterjee
Keywords
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