Estimation of ancestry using dental morphological characteristics.

Estimation of ancestry using dental morphological characteristics.
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DOI:
10.1111/j.1556-4029.2012.02295.x
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发表时间:
2013-01
影响因子:
1.6
通讯作者:
Edgar HJ
Edgar HJ
中科院分区:
医学4区
文献类型:
--
作者:
Edgar HJ

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利用牙齿形态特征来估计骨骼遗骸的祖先,通常包括的特征很少,结合了牙齿特征和其他骨骼特征,并且是非统计的。在这里,报告了用于估计未知的人是非洲裔美国人、欧洲裔美国人或西班牙裔美国人的判别函数方程。根据对509个个体的29个牙齿性状的观察,建立了方程。然后将这些方程应用于原始样本和测试样本(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配率从66.7%到89.3%不等。非洲裔美国人与欧洲裔美国人的正确分配比例为71.4%对100%。来自南佛罗里达或新墨西哥州的拉美裔美国人的正确地理分配范围为46.2%至72.7%。提供了使用特征组合的各种判别方程。再加上误差估计,这些方程为当代后道伯特法医科学中牙齿形态的使用提供了重要的一步。
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 non-statistical. Here, discriminant function equations for estimating whether an unknown person was African American, European American, or Hispanic American are reported. 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 vs. Hispanic American range from 66.7% to 89.3%. Correct assignment of African Americans vs. European Americans is 71.4% to 100%. Correct geographic assignment of Hispanics from South Florida or New Mexico ranged 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.
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