Potential contribution of periapical radiographic film image processing for forensic identification

This study aimed to report the potential contribution of image processing from radiographic films by digitally edited periapical radiographs for case reporting of positive identification. The results of anthropological examinations and dental arches of the victim matched the information transferred by the family of the missing person. The antemortem and postmortem periapical radiographs were digitized on photo scanner (Hewlett-Packard Development Company, HP ScanJet G4050 Photo, United States) and images were processed in Corel PaintShop Pro X4 editing software (Corel Corporation, v14, Canada). The comparison of antemortem and postmortem periapical radiographs digital images allowed to determine 8 concordant points in the contour and delimit the maxillary sinus as well as periodontal and dental structures of the tooth 17. Identification of the individual was possible by digital editing of radiographs in computer software. Editing allowed adjusting image brightness, contrast and sharpness, color temperature and saturation of tooth-jaw structures. Such technological feature effectively contributed to positive identification performed by Forensic Dentistry.RESUMO As radiografias periapicais s ão os exames complementares mais frequentes na clínica odontológica. A indicação de exames de imagens na identificação forense depende da qualidade das radiografias produzidas. A edição digital de radiografias convencionais pode melhorar a qualidade de imagem. O presente trabalho c...
Source: RGO - Revista Gaucha de Odontologia - Category: Dentistry Source Type: research