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Albernaz Neves J, Antunes-Ferreira N, Machado V, Botelho J, Proença L, Quintas A, Sintra Delgado A, Mendes JJ. An Umbrella Review of the Evidence of Sex Determination Procedures in Forensic Dentistry. J Pers Med 2022; 12:787. [PMID: 35629209 PMCID: PMC9147890 DOI: 10.3390/jpm12050787] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Revised: 05/09/2022] [Accepted: 05/10/2022] [Indexed: 02/07/2023] Open
Abstract
Sex determination in forensic dentistry is a major step towards postmortem profiling. The most widely recognized method is DNA, yet its application in the dental field of forensic sciences is still impractical. Depending on the conditions of the remains, teeth are often the only surviving organ. Some systematic reviews (SRs) have been recently produced; hence this umbrella review critically assesses their level of evidence and provides an overall comprehensive view. An electronic database search was conducted in four databases (PubMed, Cochrane, Web of Science, and LILACS) and three grey search engines up to December 2021, focusing on SRs of sex determination through forensic dentistry procedures. The methodological quality of the SRs was analyzed using the measurement tool to assess SRs criteria (AMSTAR2). Five SRs were included, two of critically low quality and three of low quality. The SRs posited that canines are the most dimorphic teeth; oral tissue remnants are a rich source for sex determination by DNA tracing; and artificial intelligence tools demonstrate high potential in forensic dentistry. The quality of evidence on sex determination using dental approaches was rated as low. Well-designed clinical trials and high standard systematic reviews are essential to corroborate the accuracy of the different procedures of sex determination in forensic dentistry.
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Affiliation(s)
- João Albernaz Neves
- Clinical Research Unit (CRU), Centro de Investigação Interdisciplinar Egas Moniz (CiiEM), Egas Moniz, CRL, 2829-511 Monte de Caparica, Portugal; (V.M.); (J.B.); (A.S.D.); (J.J.M.)
| | - Nathalie Antunes-Ferreira
- Laboratório de Ciências Forenses e Psicológicas Egas Moniz (LCFPEM), Centro de Investigação Interdisciplinar Egas Moniz (CiiEM), Egas Moniz, CRL, 2829-511 Monte de Caparica, Portugal; (N.A.-F.); (A.Q.)
| | - Vanessa Machado
- Clinical Research Unit (CRU), Centro de Investigação Interdisciplinar Egas Moniz (CiiEM), Egas Moniz, CRL, 2829-511 Monte de Caparica, Portugal; (V.M.); (J.B.); (A.S.D.); (J.J.M.)
- Orthodontics Department, Egas Moniz Dental Clinic (EMDC), Egas Moniz, CRL, 2829-511 Monte de Caparica, Portugal
| | - João Botelho
- Clinical Research Unit (CRU), Centro de Investigação Interdisciplinar Egas Moniz (CiiEM), Egas Moniz, CRL, 2829-511 Monte de Caparica, Portugal; (V.M.); (J.B.); (A.S.D.); (J.J.M.)
| | - Luís Proença
- Quantitative Methods for Health Research (MQIS), CiiEM, Egas Moniz, CRL, 2829-511 Monte de Caparica, Portugal;
| | - Alexandre Quintas
- Laboratório de Ciências Forenses e Psicológicas Egas Moniz (LCFPEM), Centro de Investigação Interdisciplinar Egas Moniz (CiiEM), Egas Moniz, CRL, 2829-511 Monte de Caparica, Portugal; (N.A.-F.); (A.Q.)
| | - Ana Sintra Delgado
- Clinical Research Unit (CRU), Centro de Investigação Interdisciplinar Egas Moniz (CiiEM), Egas Moniz, CRL, 2829-511 Monte de Caparica, Portugal; (V.M.); (J.B.); (A.S.D.); (J.J.M.)
- Orthodontics Department, Egas Moniz Dental Clinic (EMDC), Egas Moniz, CRL, 2829-511 Monte de Caparica, Portugal
| | - José João Mendes
- Clinical Research Unit (CRU), Centro de Investigação Interdisciplinar Egas Moniz (CiiEM), Egas Moniz, CRL, 2829-511 Monte de Caparica, Portugal; (V.M.); (J.B.); (A.S.D.); (J.J.M.)
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Gamulin O, Škrabić M, Serec K, Par M, Baković M, Krajačić M, Babić SD, Šegedin N, Osmani A, Vodanović M. Possibility of Human Gender Recognition Using Raman Spectra of Teeth. Molecules 2021; 26:molecules26133983. [PMID: 34210090 PMCID: PMC8271900 DOI: 10.3390/molecules26133983] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Revised: 06/24/2021] [Accepted: 06/26/2021] [Indexed: 11/16/2022] Open
Abstract
Gender determination of the human remains can be very challenging, especially in the case of incomplete ones. Herein, we report a proof-of-concept experiment where the possibility of gender recognition using Raman spectroscopy of teeth is investigated. Raman spectra were recorded from male and female molars and premolars on two distinct sites, tooth apex and anatomical neck. Recorded spectra were sorted into suitable datasets and initially analyzed with principal component analysis, which showed a distinction between spectra of male and female teeth. Then, reduced datasets with scores of the first 20 principal components were formed and two classification algorithms, support vector machine and artificial neural networks, were applied to form classification models for gender recognition. The obtained results showed that gender recognition with Raman spectra of teeth is possible but strongly depends both on the tooth type and spectrum recording site. The difference in classification accuracy between different tooth types and recording sites are discussed in terms of the molecular structure difference caused by the influence of masticatory loading or gender-dependent life events.
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Affiliation(s)
- Ozren Gamulin
- Department of Physics and Biophysics, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia; (O.G.); (M.Š.); (M.K.); (S.D.B.); (N.Š.)
- Center of Excellence for Advanced Materials and Sensing Devices, Research Unit New Functional Materials, 10000 Zagreb, Croatia
| | - Marko Škrabić
- Department of Physics and Biophysics, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia; (O.G.); (M.Š.); (M.K.); (S.D.B.); (N.Š.)
- Center of Excellence for Advanced Materials and Sensing Devices, Research Unit New Functional Materials, 10000 Zagreb, Croatia
| | - Kristina Serec
- Department of Physics and Biophysics, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia; (O.G.); (M.Š.); (M.K.); (S.D.B.); (N.Š.)
- Center of Excellence in Reproductive and Regenerative Medicine, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
- Correspondence:
| | - Matej Par
- Department of Endodontics and Restorative Dentistry, School of Dental Medicine, University of Zagreb, 10000 Zagreb, Croatia;
| | - Marija Baković
- Institute of Forensic Medicine and Criminalistics, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia;
| | - Maria Krajačić
- Department of Physics and Biophysics, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia; (O.G.); (M.Š.); (M.K.); (S.D.B.); (N.Š.)
| | - Sanja Dolanski Babić
- Department of Physics and Biophysics, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia; (O.G.); (M.Š.); (M.K.); (S.D.B.); (N.Š.)
- Center of Excellence in Reproductive and Regenerative Medicine, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
| | - Nikola Šegedin
- Department of Physics and Biophysics, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia; (O.G.); (M.Š.); (M.K.); (S.D.B.); (N.Š.)
- Center of Excellence in Reproductive and Regenerative Medicine, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
| | - Aziz Osmani
- Community Health Center “Kutina”, 44320 Kutina, Croatia;
| | - Marin Vodanović
- Department of Dental Anthropology, School of Dental Medicine, University of Zagreb, University Hospital Centre, 10000 Zagreb, Croatia;
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