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Estimating dental age is an important asset on forensic dentistry, and Demirjian et al. method (1973) have been one of the most recurrent mechanisms to reach this finality. A variety of studies regarding Demirjian et al. (1973) method have taken place so far, however very few of them were precise to determine the subject in Brazilian populations. To this end, the purpose of the present study was estimating dental age by applying Demirjian et al. method (1973) in a northeastern population of Brazil. To fulfil this goal, panoramic radiographs of 300 people, between the age of 3 and 18 were obtained from a digital archive of a radiology institute and analysed. The results indicate a strong correlation between chronological age CA (11, 683 years) and dental age DA (11,667 years), when applying Demirjian et al. method (1973). The average accuracy compared CA and DA according to gender, revealing both male and female to be compatible between these rates.The highest compatibility rate between CA and DA was found among males aged from 3, 7, 8, 9 and 12, as well as among females aged from 5, 7, 8, 13 and 14. In brief, Demirjian et al. (1973) method has proved to be a viable technique to estimate dental age in the aforementioned population. However, since Brazil is well-know for its miscegenation, new studies shall be encouraged.

ANÁLISE RADIOGRÁFICA PARA ESTIMATIVA DE IDADE UTILIZANDO O MÉTODO DEMIRJIAN EM UMA POPULAÇÃO DO NORDESTE DO BRASIL