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- Title
Is there evidence of sexual dimorphism in the mandible's bigonial breadth and bimental length?
- Authors
Kızılay, Ömer Can; Çeri, Nazlı Gülriz; Ündey, Begüm İncedemir; Sakallı, Gizem
- Abstract
Objective: Examination of bones in excavation sites or in some forensic cases (incidents) is of great importance. We aimed to emphasize the value of Bimental length and Bigonial breadth in gender discrimination since the Mandible is the most durable bone in the cranium and shows high sexual dimorphism. Methods: A total of 102 dry adult mandibles, 47 male and 55 female, whose sexes were registered in the archive, were randomly selected in our study. Bimental length (BML), and Bigonial breadth (BGB) were measured and recorded. The BMG index was created by the ratio of bimental length (BML) to Bigonial breadth (BGB). Results: While the highest mean values of Bigonial breadth and Bimental lengths belonged to male bones, the highest mean value of the BMG Index belonged to female bones. There was a statistically significant difference between genders with bigonial breadth and BMG index (p<0.05). However, Bimental length was not distinctive for the genders (p>0.05). The parameter with the highest sexual dimorphic trait was Bigonial breadth (3.41). In the Roc analysis, the area under the curve was found to be 0.636 for the BMG Index and 0.670 for the Bigonial breadth, while the Youden index was found to be 0.16 for the BMG Index ratio and 0.35 for the bigonial breadth. Conclusion: Morphometric data was created by measuring Mandible's Bimental length and Bigonial breadth with high sexual dimorphism and proportioning them to each other. We consider the bigonial breadth a more discriminating measure for our society regarding gender.
- Subjects
SEXUAL dimorphism; MANDIBLE; SKULL
- Publication
Anatomy: International Journal of Experimental & Clinical Anatomy, 2024, Vol 18, pS5
- ISSN
1307-8798
- Publication type
Article