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Forensic science international v.271, 2017년, pp.68 - 74   SCI SCIE
본 등재정보는 저널의 등재정보를 참고하여 보여주는 베타서비스로 정확한 논문의 등재여부는 등재기관에 확인하시기 바랍니다.

Guidelines for reproducing geometrical aspects of intra-oral radiographs images on cone-beam computed tomography

Curi, Janaina Paiva (Forensic Dentistry Department of the University of São Paulo, Brazil ); Beaini, Thiago Leite (Forensic Dentistry Department of the University of São Paulo, Brazil ); Silva, Ricardo Henrique Alves da (Forensic Dentistry Department of the University of São Paulo, Brazil ); Melani, Rodolfo Francisco Haltenhoff (Forensic Dentistry Department of the University of São Paulo, Brazil ); Chilvarquer, Israel (Stomatology Department of the University of São Paulo, Brazil ); Crosato, Edgard Michel (Forensic Dentistry Department of the University of São Paulo, Brazil );
  • 초록  

    Abstract Human identification requires comparison of individual traits of a person, depending on the availability and reproduction of antemortem (AM) records. If there is no presumed identity or AM exams are not available for comparison, the production of postmortem (PM) records is impaired. The purpose of this research is to describe and test standards to enable the comparison of antemortem periapical radiographs to images extracted from the manipulation of postmortem CBCT exams in multiple identification simulations in a randomized blind study. In a simulation, 20 CBCT images from dry skulls were used as PM records and 3 periapical radiographs (total of 60) that were randomized and blinded from the first examiner. In each case, an intentional incidence error of 10° was added in four different directions. Three points were selected in the AM radiograph, and the angle, linear measurements and proportion between these distances were collected. The AM data were used to mathematically find similar image geometry on a CBCT maximum intensity projection. Possible identification by superimposition was achieved in all cases, and statistical analysis proved the success in the reproduction of angular and length proportion using CBCT incidence manipulation. Significant reproducibility was also observed on intra- and inter-observer tests. In conclusion, the images extracted from CBCT could be compared to any periapical radiographs by superimposition, providing acceptable evidence to establish human identification. The application of this protocol is suitable for forensic practices with the high level of reproducibility and could be used as PM record when no AM records are available at the time of the exam. Highlights Study aim on human identification through forensic radiology. Method to reproduce any periapical by changing the point of view on CBCT. Validation test with 60 radiographs and analysis of 20 dry skull. Quantitative guidelines to achieve similar incidence angle.


  • 주제어

    Forensic dentistry .   Human Identification .   Cone-beam computed tomography .   Radiography.  

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