根据牙齿矿化程度估算叙利亚人口的纪年年龄。

IF 2.2 3区 医学 Q1 MEDICINE, LEGAL
International Journal of Legal Medicine Pub Date : 2024-11-01 Epub Date: 2024-08-13 DOI:10.1007/s00414-024-03295-z
Ahed Alissa, Hans O Pinnschmidt, Hussam Mansour, Klaus Püschel
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引用次数: 0

摘要

基于牙齿矿化状态的牙齿年龄评估是法医实践中最常用的方法之一。本研究旨在提高年龄诊断的准确性,并为法医应用提供叙利亚人口的参考数据。经过多个筛选步骤后,研究人员对叙利亚人口中 140 名男性和 140 名女性的 280 张正侧位X光片(OPG)进行了分析,分为 12 至 25 岁的 14 个年龄组。根据 Demirjian 的分类系统,对第三磨牙(18、28、38 和 48)以及下第二磨牙(37 和 47)的矿化阶段进行了评估。通过广义估计方程模型,对受试者达到 14 岁和 18 岁的边际概率进行了统计调查和评估。我们的研究结果表明,矿化状况在颌侧和性别方面没有明显差异。在叙利亚人群中,显示矿化阶段 G 的第三磨牙提供了达到 14 岁的最高证明标准("排除合理怀疑")。下第二臼齿完成矿化(H 阶段)提供了受试者年满 14 岁的极高边际概率(超过 90%)。然而,这并不能排除受试者年龄小于 14 岁的可能性。就 18 岁这一年龄界限而言,牙根发育不全的第三磨牙(G 期或更低)与受测者年满 18 岁的概率较低(低于 40%)有关。如果第三磨牙的牙根发育完全(H 阶段),则年满 18 岁的概率非常高(82%- 95%)。尽管如此,第三磨牙处于 H 阶段并不能确凿地排除未满 18 岁的可能性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Chronological age estimation based on dental mineralization for Syrian population.

Chronological age estimation based on dental mineralization for Syrian population.

Dental age assessment based on evaluating dental mineralization status is one of the most common methods used in forensic practice. The aim of this study is to enhance the accuracy of age diagnostics and provide reference data from the Syrian population for forensic application. After several selection steps, a total of 280 orthopantomograms (OPGs) from 140 males and 140 females from the Syrian population divided into 14 age groups between 12 and 25 years were analysed. Based on Demirjian's classification system, the mineralization stages of third molars (18, 28, 38 and 48) as well as lower second molars (37 and 47) were evaluated. Statistical investigations and evaluations were carried out to estimate the marginal probabilities of the subjects having attained ages 14 and 18 by generalized estimating equation models. Our results show that no significant differences can be revealed in the mineralization status with respect to jaw side and sex. In the Syrian population, third molars showing mineralization stage G provide evidence of reaching the age of 14 years with the highest standard of proof ("beyond reasonable doubt"). A completed mineralization in lower second molars (stage H) provides very high marginal probabilities (more than 90%) of the subjects having attained age 14 years. Nevertheless, this cannot exclude an age under 14 years. For the age threshold of 18 years, third molars showing incomplete root development (G dental stage or lower) are associated with a low probability (less than 40%) of the subject having reached 18 years of age. A person's probability of having attained 18 years of age is very high (82- 95%) when the roots of third molars are fully developed (stage H). Nevertheless, third molars at stage H do not conclusively exclude an age under 18 years.

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来源期刊
CiteScore
5.80
自引率
9.50%
发文量
165
审稿时长
1 months
期刊介绍: The International Journal of Legal Medicine aims to improve the scientific resources used in the elucidation of crime and related forensic applications at a high level of evidential proof. The journal offers review articles tracing development in specific areas, with up-to-date analysis; original articles discussing significant recent research results; case reports describing interesting and exceptional examples; population data; letters to the editors; and technical notes, which appear in a section originally created for rapid publication of data in the dynamic field of DNA analysis.
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