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The third molar as an age marker in adolescents: new approach to age evaluation.

Authors
  • Rozkovcova, Eva
  • Dostalova, Tatjana
  • Markova, Marie
  • Broukal, Zdenek
Type
Published Article
Journal
Journal of forensic sciences
Publication Date
Sep 01, 2012
Volume
57
Issue
5
Pages
1323–1328
Identifiers
DOI: 10.1111/j.1556-4029.2012.02238.x
PMID: 22900677
Source
Medline
License
Unknown

Abstract

Adolescence is a relatively short period between childhood and adulthood. It is very difficult to determine adulthood based on biological indicators. The third molar may be considered a potential age marker for the period between the ages of 16-21. Our study evaluated a set of 1700 panoramic radiographs of individuals aged between 5 and 21 years. Results confirmed the statistically significant difference in the course of third molars development. The mean deviation for individuals with one third molar agenesis is -0.98 years, for individuals with two third molars agenesis -1.89 years, and with three molars agenesis -3.28 years. Thus, the extent of the deviation is directly proportional to the number of unformed third molars. The calculation of age according to the mean of stages of all third molars could lead to the underestimation of age. No intergender differences were found. Age determination using third molars could be used for forensic purposes.

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