德米尔吉安和科勒的年龄估计技术在印度成人人口中的有效性
Smrithi Soman1, K P Nandita2, N Srikant2
1Manipal College of Dental Sciences, Mangalore, Manipal Academy of Higher Education, Manipal, Karnataka, India.
Journal of International Society of Preventive & Community Dentistry
|January 15, 2026
概括
使用德米尔吉安 (DMJ) 和科勒尔 (KHL) 方法对印度成年人的法医年龄估计发现,第三牙 (DMJ的牙38号,KHL的牙18号) 是确定18岁法律门的最准确的.
科学领域:
- 法医牙科 法医牙科
- 人类学是人类学.
- 放射学 放射学是一门学科.
背景情况:
- 在法律和医疗法律背景下,准确的时间表年龄估计至关重要.
- 放射性牙科年龄评估方法,如德米尔吉安 (DMJ) 和科勒 (KHL) 等,被广泛使用.
- 这些方法的特定人群验证对于可靠的法医年龄估计至关重要.
研究的目的:
- 评估DMJ和KHL放射分期的准确性,以估计印度成年人口的时间学年龄相对于18岁的法律门.
- 在这个人群中确定具有最高预测能力的特定牙,用于法医年龄估计.
主要方法:
- 从133名印度人 (年龄为12-24岁) 的骨科影像回顾分析.
- 使用DMJ和KHL标准评估第一个,第二个和第三个的发育阶段.
- 对年龄估计方程应用线性回归分析,按性别分层,并使用Pearson的相关性和调整的R2.2进行评估.
主要成果:
- 德米尔吉安对牙38的分期 (R2 = 0.607) 和科勒对牙18的分期 (R2 = 0.650) 显示出最高的预测准确度.
- 观察到基于性别的发育差异:雄性表现出较早的第三结成熟,而雌性表现出较快的第一和第二结发育.
- 18年的法律门最好在KHL阶段7-8和DMJ阶段G之间划分;牙28和38的联合分期改善了预测 (R2 = 0.626).
结论:
- 在印度人口中,DMJ和KHL方法为接近18岁的法律门的年龄估计提供了可靠的准确性.
- 牙38 (DMJ) 和牙18 (KHL) 是推用于法医年龄估计,因为它们的高预测价值.
- 人口特定的牙回归模型对于在不同的法律和医疗法律环境中提高年龄估计的准确性和可靠性至关重要.
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