Determination of Gender Dimorphism in Mandible and Crania -A Digital Radiographic Study.
Journal Title: International Journal of Dental Science and Innovative Research (IJDSIR) - Year 2019, Vol 2, Issue 3
Abstract
Sexual dimorphism refers to the systemic difference in either shape or size between individuals of different sexes. Skull and mandible being composed of hard tissue are indestructible and most easily sexed portion of the skeleton after pelvis. Determination of sex by radiographic methods have proven in many studies to be more accurate than the anthropological methods. Hence this study was aimed at determining gender by obtaining and comparing the reliability of cranio-mandibular parameters using digital Orthopantomograph (OPG), Lateral cephalogram and Postero-anterior (PA) radiograph. The study included 100 male and female patients. Cranio-mandibular measurements were made on each digital radiograph and statistical analysis was done using one way Anova test and logistic regression analysis. The results revealed that all cranio-mandibular measurements showed higher values in males as compared to females. On application of logistic regression analysis all the variables were significant in determination of gender. The variables on OPG manifested higher accuracy (78%) in sex determination as compared to Lateral Cephalogram (75%) and Postero-anterior view (66%). The results of this study inferred that metric analysis of crania and mandible using digital radiographs can be a useful tool in determining gender dimorphism and thus beneficial to the field of forensic science.
Authors and Affiliations
Dr. Mehroz Amena
Keywords
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