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Year : 2017  |  Volume : 2  |  Issue : 2  |  Page : 55-61

Validation of the efficacy of age assessment by the miles tooth wear chart, using skulls of known age at death

1 Department of General and Inorganic Chemistry, Faculty of Pharmacy, The University of Medicine and Pharmacy, Targu Mures, Romania; Edinburgh Dental Institute, The University of Edinburgh, Edinburgh, Scotland, UK
2 Department of Dentistry, Ministry of Health, Riyadh, Saudi Arabia
3 Department of Oral and Maxillofacial Surgery, Zliten Dental School, Al-Asmarya Islamic University, Zliten, Libya

Correspondence Address:
Dr. Mohammed S Aldossary
Department of Dentistry, Ministry of Health, Riyadh
Saudi Arabia
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijfo.ijfo_11_17

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Background: Age estimation is critical for identification purposes in forensic medicine, with various methods have been proposed for age assessment. Aims: The present study aims to validate the effectiveness of age assessment by the Miles tooth wear chart, uniquely using skulls of recorded known age at death. Materials and Methods: Fifty Chinese skulls, of known age recorded at death, ranging from 16 to 62 years, were used. All the skulls were anonymized and outnumbered 1–50, using randomized tables. A 70 mm, ×3 magnification glass with light was used to evaluate tooth wear patterns, and the age was assessed using a newly devised “age calculator” based on the Miles chart. Statistical Analysis: Bland–Altman plots were used for statistical comparisons. Results: First and second molars and means of both allowed circa 86% of cases to be allocated within ±5 years of their actual age. Accuracy diminishes when skulls are over 40 years old at death. Conclusions: The Miles chart can, with caution, be used to arrive at a reasonable estimation of age in this Chinese population.

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