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International Journal of Morphology

On-line version ISSN 0717-9502

Abstract

BUCCHI, Ana; BUCCHI, Cristina  and  FUENTES, Ramón. Sexual Dimorphism in Different Craneomandibular Relationships. Int. J. Morphol. [online]. 2016, vol.34, n.1, pp.365-370. ISSN 0717-9502.  http://dx.doi.org/10.4067/S0717-95022016000100052.

Sex assessment using bone remains is one of the main goals of forensic sciences. This assessment is possible because of the morphological and size differences between women and men (sexual dimorphism). In this work we study the association between sexual dimorphism and the different positions of the mandible and skull (prognathism, retrognathism and orgotnatism). We analyze 4 facial measurements in 114 teleradiographies of Chilean patients with known sex and positional relationship of the mandible and cranium, to evaluate if, as in populations of other parts of the world, these are sexually dimorphic. The results indicate that, with the exception of mandible width, the rest of the variables allows a high correct classification of individuals by sex (88.6 % of the cases). We conclude that the relation between different positions of the mandible and skull does not affect a reliable sex assessment in Chilean population.

Keywords : Prognathism; Retrognathism; Sexual dimorphism; Cephalometrics.

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