Craniofacial superimposition is a technique used in the field of forensic anthropology to assist in the analysis of an unknown skull. The process involves superimposing an image of the recovered skull over an ante mortem image of the suspected individual. In the past two decades, there has been a decline in the application due to the development of molecular analysis as a more precise and accurate identification technique. Despite its decrease in use, there has been significant development in superimposition techniques in the past five years, specifically to standardize procedures. One project, MEPROCS (The New Methodologies and Protocols of Forensic Identification by Craniofacial Superimposition), has attempted to establish a framework for solving the problems of past superimposition techniques. Future researchers should consider integrating information gleaned from clinical practices with the statistical and technical advances of craniofacial superimposition for better facilitating its use in forensic anthropology.
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http://dx.doi.org/10.1016/j.fsisyn.2019.10.002 | DOI Listing |
Sci Rep
January 2025
School and Hospital of Stomatology, Fujian Medical University, Fuzhou, 350001, China.
This study assessed the accuracy of robotic computer-aided implant surgery (rCAIS) in partially edentulous patients using a standard operation procedure. Patients who underwent implant placement surgeries using the robotic system under a standard operation procedure were recruited. Deviations of dental implants were calculated after superimposition of the preoperative and postoperative cone-beam computed tomography (CBCT) images.
View Article and Find Full Text PDFOrthod Craniofac Res
November 2024
Division of Orthodontics, Department of Preventive Dentistry, Faculty of Dentistry, Khon Kaen University, Khon Kaen, Thailand.
Introduction: Alveolar bone grafting (ABG) influences facial soft tissue changes, but the precise effects on the nose and upper lip remain unclear. This study used three-dimensional (3D) facial images to evaluate nose and upper lip alterations after ABG. We further enhanced the visualisation of these changes by generating 3D superimpositions, colour maps and deviation analyses of key critical landmarks in these regions.
View Article and Find Full Text PDFForensic Sci Int
December 2024
Department of Forensic Pathology, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, Sichuan 610041, PR China. Electronic address:
The 3D-3D superimposition technique offers a comprehensive comparison and quantification of the similarity between two 3D models, making it a promising approach for forensic science. This systematic review aims to explore scanning techniques, 3D analysis software, and 3D-3D superimposition methods, along with providing an overview of their applications and performance in personal identification. We searched four databases (PubMed, Scopus, Web of Science, and Embase) for articles published between January 2014 and May 2024.
View Article and Find Full Text PDFJ World Fed Orthod
October 2024
Associate Professor, Program Director of Graduate Orthodontics Division, University of Detroit Mercy School of Dentistry, Detroit, Michigan, USA.
Forensic Sci Int
November 2024
Key laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi'an Jiaotong University, No. 98 XiWu Road, Xi'an, Shaanxi 710004, China. Electronic address:
3D-3D registration of facial models, has great advantages in personal individual identification in forensic medicine. However, orthodontic treatment has brought changes in facial soft and hard tissues, which has a potential effect in personal identification. The aim of the study was to explore whether orthodontic treatment affects 3D-3D facial recognition.
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