Edgar Heather J H
Maxwell Museum of Anthropology and Department of Anthropology, University of New Mexico, MSC01 1050, 1 University of New Mexico, Albuquerque, NM 87131, USA.
J Forensic Sci. 2013 Jan;58 Suppl 1(Suppl 1):S3-8. doi: 10.1111/j.1556-4029.2012.02295.x. Epub 2012 Oct 15.
The use of dental morphological characteristics to estimate the ancestry of skeletal remains commonly includes few traits, combines dental traits with other skeletal characteristics, and is nonstatistical. Here, discriminant function equations for estimating whether an unknown person was African American or European American, or Hispanic American are presented. Equations were developed from observations of 29 dental traits in 509 individuals. These equations were then applied to the original sample and a test sample (n = 40). Correct assignment rates for estimating African or European American versus Hispanic American range from 66.7 to 89.3%. Correct assignment of African Americans versus European Americans is 71.4 to 100%. Correct geographic assignment of Hispanics from South Florida or New Mexico range from 46.2 to 72.7%. Various discriminant equations using combinations of characteristics are provided. Coupled with the error estimates, these equations offer an important step in the use of dental morphology in contemporary, post-Daubert forensic science.
利用牙齿形态特征来估计骨骼遗骸的祖先通常涉及的特征较少，将牙齿特征与其他骨骼特征相结合，且缺乏统计学方法。本文提出了判别函数方程，用于估计未知个体是非洲裔美国人、欧洲裔美国人还是西班牙裔美国人。这些方程是基于对509名个体的29种牙齿特征的观察而得出的。然后将这些方程应用于原始样本和一个测试样本（n = 40）。估计非洲裔或欧洲裔美国人与西班牙裔美国人的正确分类率在66.7%至89.3%之间。非洲裔美国人与欧洲裔美国人的正确分类率在71.4%至100%之间。来自南佛罗里达州或新墨西哥州的西班牙裔的正确地理分类率在46.2%至72.7%之间。文中还提供了使用不同特征组合的各种判别方程。结合误差估计，这些方程为当代达伯特法则之后的法医学中牙齿形态学的应用迈出了重要一步。
