AUTHOR(S): Altaf Hussain Chalkoo, Shazia Maqbool and Bashir Ahmad Wani

ABSTRACT:To determine sexual dimorphism using mandibular ramus dimensions and to assess the role of mandible used as an aid in forensics for sex determination. A retrospective study was conducted using orthopantomography of 40 males and 40 females between the age group of 18 – 50years. Mandibular ramus measurements were done on OPGs taken by New-Tom VGi Scanner (QR srl; Verona, Italy) in standard resolution mode (tube potential:50-85KV, tube current:12mA, and time:14sec. The measurements of the mandibular ramus will be subjected to Discriminant function analysis. Maximum ramus breadth, Minimum ramus breadth, Condylar height, Projective height of ramus and Coronoid height were calculated for both the sexes differently with the formula & analyzed with Discriminant functional analysis using Fischer exact test. The P value was statistically significant with the P value < 0.05 for the following parameters Coronoid height, Condylar height and Projective height of ramus. Mandibular ramus measurements can be a useful forensic diagnostic tool for gender determination in forensic studies.

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