ArticleInternational journal of environmental research and public health2022
Estimating the 18-Year Threshold with Third Molars Radiographs in the Southern Italy Population: Accuracy and Reproducibility of Demirjian Method.
Article in International journal of environmental research and public health, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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9 citing papers in PubMed, 8 citations in OpenAlex.
- Diagnostic performance of Demirjian's third molar maturation stages G, G1, and H for identifying the 18-year age threshold: a sex-specific study.International journal of legal medicine · 2026Article
- The influence of adjacent anatomical context in tooth staging: observational study of non-cropped vs. cropped radiographs for dental age estimation.International journal of legal medicine · 2026Observational
- Comparative Analysis of Third Molar Segmentation Performance Across Dental Developmental Stages and the 18-Year Age Threshold Using Deep Learning Models.Diagnostics (Basel, Switzerland) · 2026Article
- Third molar maturity on panoramic radiographs as an indicator of the 18-year threshold: a pilot cases study.Forensic science, medicine, and pathology · 2026Article
- Assessment of the coming of age using the Caggiano method based on Demirijian stages and the Cameriere method applied to third molars in a Brazilian population.The Journal of forensic odonto-stomatology · 2026Article
- Demirjian's and Cameriere's methods for estimating the 18-year legal age threshold using third molar maturity in a Northern Thai population.Scientific reports · 2026Article
- Evaluation of Demirjian staging method reproducibility and reliability for dental age estimation between eight forensic experts.International journal of legal medicine · 2025Article
- Age estimation at 18-year threshold: comparing Demirjian and Cameriere's methods for Thais.The Journal of forensic odonto-stomatology · 2024Article
- Age Group Classification of Dental Radiography without Precise Age Information Using Convolutional Neural Networks.Healthcare (Basel, Switzerland) · 2023Article
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Authors and funding
8 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The estimation of the age of the majority of living subjects is widely required nowadays due to the presence of unidentifiable individuals, without documents and general information, involved in migration or legal procedures. Dental age estimation (DAE) is a valid method for investigating the age of subjects. The aim of this study was to evaluate the accuracy of the Demirjian method in a limited age group (16-24 years) in differentiating between older and younger than 18 years. From an initial sample of 17,594 radiographs, 460 were selected meeting the inclusion criteria. Two dentists provided the age estimate according to the Demirjian method, with a simplified approach based on the development of the third molars. The presence of a developmental stage of H for at least one third molar allowed to establish the major age if the other third molars, inferior or superior, have reached a stage equal or superior to F, with an accuracy of 90.2% and a predictive positive value of 91.6%. Thirty-three patients showed the development of at least one third molar (Stage H) before the age of 18 years while six patients showed the development of all four third molars with root completion (stage H) before the age of 18 years. When all third molars reached stage H an individual was over 18 years old in 97.4% of cases. In presence of one third molar on stage H and a stage equal or superior to F for the other third molars the probability of being of major age was 91.6%.
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