Human identification through smile photographs: Comparison of two methods based on selfies

IF 1.5 4区医学 Q2 MEDICINE, LEGAL

Journal of forensic sciences Pub Date : 2025-03-17 DOI:10.1111/1556-4029.70020

Damaris Roberta Alves Menezes De Sousa DDS, Carolina de Paula Rossetto Lisboa DDS, Ademir Franco PhD, José Luiz Cintra Junqueira PhD, Anne Caroline Oenning PhD, Monikelly do Carmo Nascimento Narchini PhD, Mariana Quirino Silveira Soares PhD

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引用次数: 0

Abstract

This study aimed to compare the accuracy of two human identification methods based on selfies. The maxillary teeth of five adults were three-dimensionally acquired via intraoral scanning—being the simulated postmortem (PM) records. To simulate antemortem (AM) records, the five individuals took selfies of their smile. For each participant, five additional volunteers with similar ages and population affinities were requested to take selfies, which were used as foil AM records. Then, five sets containing the intraoral scan image, the respective selfie, and five foil selfies were assembled and sent to 29 forensic odontologists. The experts applied two analytical methods: the smile line and dental superimposition. The experts initially excluded the foil selfies and then identified the correct PM and AM match. Both methods allowed the same number of correct (n = 123) and incorrect (n = 22) exclusions of foils (p > 0.05). The smile line and the dental superimposition methods resulted in 94 and 86 correct, as well as 51 and 59 incorrect matches (p > 0.05), respectively. These methods must be cautiously considered and combined with other methods for safer forensic practices.

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通过微笑照片识别人：基于自拍照的两种方法的比较。

本研究旨在比较两种基于自拍的人类识别方法的准确性。通过口腔内扫描对5名成人的上颌牙齿进行了三维扫描，作为模拟死后的记录。为了模拟临死前的记录，这五个人自拍了他们的微笑。对于每个参与者，另外5名年龄和人口相似的志愿者被要求自拍，这些自拍被用作辅助AM记录。然后，将包含口腔内扫描图像、各自的自拍照和五张自拍照的五组图像组合起来，并发送给29名法医牙科学家。专家们采用了两种分析方法：微笑线和牙齿叠加。专家们最初排除了铝箔自拍，然后确定了正确的PM和AM匹配。两种方法允许相同数量的正确（n = 123）和不正确（n = 22）排除箔（p > 0.05）。微笑线法和牙体叠加法的匹配正确率分别为94和86，错误匹配率分别为51和59 （p < 0.05）。这些方法必须谨慎考虑，并与其他更安全的法医实践方法相结合。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of forensic sciences 医学-医学：法

CiteScore

4.00

自引率

12.50%

发文量

215

审稿时长

2 months

期刊介绍： The Journal of Forensic Sciences (JFS) is the official publication of the American Academy of Forensic Sciences (AAFS). It is devoted to the publication of original investigations, observations, scholarly inquiries and reviews in various branches of the forensic sciences. These include anthropology, criminalistics, digital and multimedia sciences, engineering and applied sciences, pathology/biology, psychiatry and behavioral science, jurisprudence, odontology, questioned documents, and toxicology. Similar submissions dealing with forensic aspects of other sciences and the social sciences are also accepted, as are submissions dealing with scientifically sound emerging science disciplines. The content and/or views expressed in the JFS are not necessarily those of the AAFS, the JFS Editorial Board, the organizations with which authors are affiliated, or the publisher of JFS. All manuscript submissions are double-blind peer-reviewed.