Forensic Facial Approximation: Study of the Nose in Brazilian Subjects

Raíssa Ananda Paim Strapasson · Cláudio Costa · Rodolfo Francisco Haltenhoff Melani

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Forensic Anthropology and Bioarchaeology Studies Face recognition and analysis Nasal Surgery and Airway Studies

Abstract

Forensic facial approximation is an auxiliary method for human identification and allows facial recognition. The midface, that includes the nose, is vital for the recognition of a familiar face. The purpose of this study was to set hard tissue parameters to estimate nasal width, to test the method to estimate nasal width of Brazilians, and to analyze the relationship between nasal profile and facial type. A total of 246 computed tomography scans (183 females and 63 males) of adults were analyzed in Horos. Bone tissue measurements and facial type classification were performed on the skull scan. Nasal profile morphology was accessed through the tool 3D surface rendering. There was a difference around 3 mm from real to predicted nose through the method to estimate nasal width in Brazilians. So, the method may be used in forensic practice. Straight nose was associated with long face type.

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References

2000Forensic Art and Illustration 2004Forensic Facial Reconstruction 2007A review of the literature on the aging adult skull and face: Implications for forensic science research and applications 1997Forensic analysis of the skull 1987The Lateral Craniographic Method of Facial Reconstruction 1970Reconstruction of facial features from the skull: An evaluation of its usefulness in forensic anthropology 2003Predicting nose projection and pronasale position in facial approximation: A test of published methods and proposal of new guidelines 2006Appraisal of traditional and recently proposed relationships between the hard and soft dimensions of the nose in profile

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