Determining Whether an Individual is 18 Years or Older Based on the Third Molar Root Pulp Visibility in East China.

Q3 Medicine 法医学杂志 Pub Date : 2024-04-25 DOI:10.12116/j.issn.1004-5619.2023.231206

De-Min Huo, Kai-Jun Ma, Jing-Lan Xu, Xu Song, Xiao-Yan Mao, Xia Liu, Kai-Fang Zhao, Jian Zhang, Meng DU

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Abstract

Objectives: To investigate the age-related changes of the mandibular third molar root pulp visibility in individuals in East China, and to explore the feasibility of applying this method to determine whether an individual is 18 years or older.

Methods: A total of 1 280 oral panoramic images were collected from the 15-30 years old East China population, and the mandibular third molar root pulp visibility in all oral panoramic images was evaluated using OLZE 0-3 four-stage method, and the age distribution of the samples at each stage was analyzed using descriptive statistics.

Results: Stages 0, 1, 2 and 3 first appeared in 16.88, 19.18, 21.91 and 25.44 years for males and in 17.47, 20.91, 22.01 and 26.01 years for females. In all samples, individuals at stages 1 to 3 were over 18 years old.

Conclusions: It is feasible to determine whether an individual in East China is 18 years or older based on the mandibular third molar root pulp visibility on oral panoramic images.

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根据华东地区第三磨牙根部牙髓可见度判断一个人是否年满 18 岁

目的研究华东地区个体下颌第三磨牙根髓能见度与年龄相关的变化，并探讨应用该方法判断个体是否年满18岁的可行性：收集华东地区15-30岁人群的口腔全景图像共1 280张，采用OLZE 0-3四阶段法对所有口腔全景图像中的下颌第三磨牙根髓能见度进行评估，并采用描述性统计分析各阶段样本的年龄分布：结果：0、1、2 和 3 阶段的首次出现年龄，男性分别为 16.88、19.18、21.91 和 25.44 岁，女性分别为 17.47、20.91、22.01 和 26.01 岁。在所有样本中，处于第 1 至第 3 阶段的个体年龄都在 18 岁以上：根据口腔全景图像上的下颌第三磨牙根髓可见度来判断华东地区的个体是否年满18岁是可行的。

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