Ishwarkumar Sundika, Pillay Pamela, Chetty Manogari, Satyapal Kapil Sewsaran
Department of Human Anatomy and Physiology, Faculty of Health Sciences, University of Johannesburg, Doornfontein Campus, P.O. Box 524, Auckland Park, Johannesburg 2006, South Africa.
Department of Clinical Anatomy, School of Laboratory Medicine and Medical Sciences, College of Health Sciences, University of KwaZulu-Natal, Westville Campus, Private Bag X54001, Durban 4000, South Africa.
Dent J (Basel). 2022 Sep 9;10(9):171. doi: 10.3390/dj10090171.
Dental age estimation in the living and deceased is a fundamental aspect of forensic sciences, civil cases, medico-legal proceedings and clinical dentistry. Accordingly, this study aimed to validate the accuracy and reproducibility of the London Atlas in a select South African sample of KwaZulu-Natal. In this cross-sectional study, 760 digital panoramic radiographs ( = 760) aged between 5.00 and 23.99 years were retrospectively reviewed through consecutive sampling. Each radiograph was assessed and assigned a dental age in accordance with the London Atlas of Human Tooth Development and Eruption by AlQahtani et al. (2010). The London Atlas overestimated age with a mean difference of -0.85 to -1.26 years in the selected South African sample of KwaZulu-Natal. A statistically significant difference between the chronological and estimated dental ages was recorded. Furthermore, the South African Black and Indian males had a higher overestimation of age than their female counterparts, with a mean difference of 0.13 and 0.07 years, respectively. This overestimation was less in the South African Indian population in comparison to the SA Black population. This outcome resulted in the creation of the KZN population- and sex-specific charts and atlases for the two selected cohorts of KwaZulu-Natal. The KZN Atlases were found to be more accurate in the selected sample, with a mean absolute error of 0.57 years and no statistically significant differences between the chronological and estimated dental ages.
对生者和死者进行牙龄估计是法医学、民事案件、法医学程序及临床牙科的一个基本方面。因此，本研究旨在验证《伦敦图谱》在南非夸祖鲁 - 纳塔尔省特定样本中的准确性和可重复性。在这项横断面研究中，通过连续抽样对760张年龄在5.00至23.99岁之间的数字化全景X线片（n = 760）进行了回顾性分析。每张X线片均根据AlQahtani等人（2010年）的《伦敦人类牙齿发育与萌出图谱》进行评估并确定牙龄。在选定的南非夸祖鲁 - 纳塔尔省样本中，《伦敦图谱》高估了年龄，平均差值为 -0.85至 -1.26岁。记录到实际年龄与估计牙龄之间存在统计学显著差异。此外，南非黑人和印度男性比女性高估年龄的程度更高，平均差值分别为0.13岁和0.07岁。与南非黑人相比，南非印度人群的这种高估程度较小。这一结果促成了为夸祖鲁 - 纳塔尔省两个选定队列创建特定人群和性别的夸祖鲁 - 纳塔尔省图表和图谱。在选定样本中发现夸祖鲁 - 纳塔尔省图谱更为准确，平均绝对误差为0.57岁，实际年龄与估计牙龄之间无统计学显著差异。
