Journal of Forensic Dental Sciences
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Year : 2014  |  Volume : 6  |  Issue : 3  |  Page : 177-182

Radiomorphometric analysis of frontal sinus for sex determination

Department of Oral Medicine and Radiology, Jagadguru Sri Shivarathreeshwara Dental College, Jagadguru Sri Shivarathreeshwara University, Mysore, Karnataka, India

Correspondence Address:
V G Mahima
Department of Oral Medicine and Radiology, Jagadguru Sri Shivarathreeshwara Dental College and Hospital, Jagadguru Sri Shivarathreeshwara University, S. S. Nagar, Mysore 570 015, Karnataka
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0975-1475.137052

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Context: Sex determination of unknown individuals carries crucial significance in forensic research, in cases where fragments of skull persist with no likelihood of identification based on dental arch. In these instances sex determination becomes important to rule out certain number of possibilities instantly and helps in establishing a biological profile of human remains. Aims: The aim of the study is to evaluate a mathematical method based on logistic regression analysis capable of ascertaining the sex of individuals in the South Indian population. Settings and Design: The study was conducted in the department of Oral Medicine and Radiology. Methods and Material: The right and left areas, maximum height, width of frontal sinus were determined in 100 Caldwell views of 50 women and 50 men aged 20 years and above, with the help of Vernier callipers and a square grid with 1 square measuring 1mm 2 in area. Statistical analysis used: Student's t-test, logistic regression analysis. Results: The mean values of variables were greater in men, based on Student's t-test at 5% level of significance. The mathematical model based on logistic regression analysis gave percentage agreement of total area to correctly predict the female gender as 55.2%, of right area as 60.9% and of left area as 55.2%. Conclusion: The areas of the frontal sinus and the logistic regression proved to be unreliable in sex determination. (Logit = 0.924 - 0.00217 × right area).

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