Objetive: The objective of this study was to analyze mandibular measurements obtained from 225 computed tomography scans of the Osteological and CT Biobanks of Faculdade de Odontologia de Piracicaba Universidade Estadual de Campinas, aiming to verify the existence of a relationship between these measures and sexual dimorphism and ancestry. Methods: We sought to establish a mathematical model capable of estimating sex and ancestry. Of these scans, 126 were male, 94 were female and 5 were unidentified, aged 15 to 100 years, and ancestry known for the skin color phenotype (white, black, brown and yellow). Measurements were made between the following points: right lateral condylion and left lateral condylion; right lateral condylion and pogonion; left lateral condylion and pogonion; mesial border of right mental foramen and mesial border of left mental foramen. The area delimited by the triangle formed by the measurements between right lateral condylion and left lateral condylion was also analyzed; right lateral condylion and pogonion; and left lateral condylion and pogonion. Student t test for homogeneous variances showed that there was statistical difference in the means as a function of sex, except for the area measure, which was not used in the model. Results: It was possible to establish a mathematical model with accuracy of 69.2%. There was no statistical difference in the averages as a function of ancestry. Conclusion: It is concluded that the measures investigated help in the process of estimating sex, but were not adequate to estimate ancestry. The proposed methodology should be expanded to other population groups so that it can be improved.
Aos meus pais, Maria Rosa e Taqueo Ishigame, que sempre, com o mais sincero e dedicado amor de pai e mãe, fizeram o possível e o impossível para que eu chegasse aonde cheguei e, principalmente, para que eu continue seguindo em frente. O exemplo de vocês me conduzirá por toda a vida. À minha linda esposa, Priscila, meu amor, companheira desde o início da minha trajetória na odontologia, que conheci nesta mesma FOP/UNICAMP e que, com muito amor e dedicação, supriu minha ausência em nossa casa perante nossos filhos durante o tempo que precisei me ausentar. Amo muito vocês! E, tendo vocês, tenho tudo! À Luiza, minha florzinha, e Bernardo, meu dinossauro feroz, nossos filhos, presentes de Deus em nossas vidas, que com um simples sorriso tornam nosso dia muito mais feliz. Aos meus sogros, Ellen e Tecifon, que como meus segundos pais nos apoiam e nos incentivam na continuidade dos estudos. Ao Bruno, Mayra e Douglas, meus cunhados, e Benjamim e Jônatas, meus sobrinhos. Obrigado por sermos uma família.A toda minha família.A todos os amigos.
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