Age estimation in north east Brazilians by measurement of open apices.

Q3 Medicine Journal of Forensic Odonto-Stomatology Pub Date : 2020-09-30
L Gonçalves do Nascimento, R L Ribeiro Tinoco, A P Lacerda Protasio, I L Arrais Ribeiro, B Marques Santiago, R Cameriere
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Abstract

Dental age (DA) estimation is an extensively investigated resource used by forensic science. This study aimed to evaluate the applicability of the Measurement of Open Apices for DA estimation in north east Brazilians. A total of 429 orthopantomographs of individuals aged 5 to 14.99 years were used. The sample was distributed according to the age groups 5-6.99, 7-8.99, 9-10.99, 11-12.99 and 13-14.99 years, and the data were analyzed descriptively and by linear regression (α= 5%). The majority of the radiographs were from females (n = 241; 56.2%), with an overall mean age of 12 years (± 2.12). A significant difference was observed between DA and chronological age (CA) in the total sample and specifically in females and males. The method underestimated CA by 0.31 year (total sample) and by 0.3 and 0.32 year in females and males, respectively. In contrast, the method overestimated CA in the groups 5-6.99 and 7-8.99 years, with a mean difference (MD) of 0.48 year (p = 0.007) and 0.17 year (p = 0.182), respectively. In the other groups, DA was predicted to be below CA, with a significant difference in the group 13-14.99 (0.75 year). Based on the regression analysis, a correction factor was proposed from the original formula for this population, thereby reaching a predictive power of approximately 80%. To conclude, this method is applicable to the study population aged 5 to 13 years as the estimates obtained did not exceed the error limit of ±1 year.

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通过测量开放尖顶来估计巴西东北部的年龄。
牙龄(DA)估计是法医科学广泛调查的资源。本研究旨在评估开放顶点测量在巴西东北部DA估计中的适用性。共使用了429张5 ~ 14.99岁个体的骨层析片。样本按5 ~ 6.99岁、7 ~ 8.99岁、9 ~ 10.99岁、11 ~ 12.99岁和13 ~ 14.99岁年龄组分布,采用描述性和线性回归分析(α= 5%)。大多数x线片来自女性(n = 241;56.2%),总体平均年龄12岁(±2.12岁)。在总样本中,特别是在女性和男性中,观察到DA和实足年龄(CA)之间存在显著差异。该方法对女性和男性的CA分别低估了0.31年(总样本)和0.3年和0.32年。相比之下,该方法高估了5-6.99和7-8.99岁组的CA,平均差值(MD)分别为0.48年(p = 0.007)和0.17年(p = 0.182)。在其他组中,DA预计低于CA,在13-14.99组(0.75年)有显著差异。在回归分析的基础上,对该种群提出了一个修正因子,从而达到了约80%的预测力。综上所述,该方法适用于5 - 13岁的研究人群,得到的估计值没有超过±1岁的误差限。
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来源期刊
Journal of Forensic Odonto-Stomatology
Journal of Forensic Odonto-Stomatology Medicine-Pathology and Forensic Medicine
CiteScore
1.20
自引率
0.00%
发文量
14
期刊介绍: The Journal of Forensic Odonto-Stomatology is the official publication of the: INTERNATIONAL ORGANISATION FOR FORENSIC ODONTO-STOMATOLOGY (I.O.F.O.S
期刊最新文献
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