Abstract
The role of the mandible in sex determination is still poorly defined because of the plasticity of this bone. We carried out a teleradiographic study of the mandibles of 63 living white subjects, measuring bigonial breadth, bicondylar breadth (anterior radiographs), mandibular symphysis height, mandibular length, articulare-gonion height, mandibular ramus height and mandibular body length (lateral radiographs). All these paramters showed significant sexual dimorphism (p<0.001 in all cases). Mandibular symphysis height had the highest percentage of dimorphism (19.44%). Based on this study, two discriminant functions were calculated, one of which used all the measurement and the other, two. These functions made it possible to determine the sex of 87.3% of the sample studied, using the mandible alone.
Published Version
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