基于锥束计算机断层扫描的牙齿体积和中远端直径测量性别二态的准确性比较:一项针对中国北方人群的研究。

IF 1.4 4区 医学 Q3 MEDICINE, LEGAL Forensic Sciences Research Pub Date : 2023-06-01 DOI:10.1093/fsr/owad004
Wenqing Bu, Lingling Ji, Mengqi Han, Zixuan Wu, Badr Sultan, Teng Chen, Yu Tang, Yucheng Guo, Fei Wang
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摘要

基于牙齿的性别估计有助于缩小个体识别的范围。根据两性牙齿形态的差异,我们计划通过测量中远端直径和牙齿体积建立中国北方人群的性别估计方法,并比较两种方法的准确性。在这项研究中,收集了142名男性和140名女性的锥束计算机断层扫描图像,年龄在21-59岁之间。测量左犬齿和上下颌第一磨牙的中远端直径和体积,分析适宜系数。我们选择80%的样本作为训练集来建立逻辑回归公式,20%作为测试集来获得准确性。中远端直径对性别的估计准确率可达87.50%,体积可达78.57%。测量中远端内径更省时。这项工作建立并测试了一种估计中国北方人口性别的方法。结果表明,基于牙齿中远端直径的性别估计比基于牙齿体积的性别估计具有更高的准确性。
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Accuracy comparison of tooth volume and mesiodistal diameter measurements for sex dimorphism based on cone-beam computed tomography: a study for the northern Chinese population.

Sex estimation based on teeth could help to narrow the scope for individual identification. According to the different teeth morphology among both genders, we plan to establish a sex estimation method for the northern Chinese population through mesiodistal diameter and teeth volume measurements and compare the accuracy of the two methods. In this study, measurements were taken from cone-beam computed tomography images collected from 142 males and 140 females aged 21-59 years. The mesiodistal diameter and volume of the left canines and the first molars in both upper and lower jaws were measured and analyzed for suitable coefficients. We selected 80% samples as the training set to set up the logistic regression formulas and 20% as the test set to obtain accuracy. The accuracy of sex estimation by mesiodistal diameter can reach 87.50%, and the volume is up to 78.57%. The measurement of mesiodistal diameter is less time-consuming. This work established and tested a method to estimate sex for the northern Chinese population. Results showed that sex estimation based on the mesiodistal diameter of teeth has higher accuracy than the method based on teeth volume.

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来源期刊
Forensic Sciences Research
Forensic Sciences Research MEDICINE, LEGAL-
CiteScore
3.60
自引率
7.70%
发文量
158
审稿时长
26 weeks
期刊最新文献
Correction to: Forensic efficiency and population genetic construction of Guizhou Gelao minority from Southwest China revealed by a panel of 23 autosomal STR loci. Correction to: Metric analysis of the patella for sex estimation in a Portuguese sample. Correction to: Forensic features and phylogenetic structure survey of four populations from southwest China via the autosomal insertion/deletion markers. Correction to: Potential role of the sella turcica X-ray imaging aspects for sex estimation in the field of forensic anthropology: a systematic review and meta-analysis. Forensic identification in a multidisciplinary perspective focusing on big challenges.
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