Journal
FORENSIC SCIENCE INTERNATIONAL
Volume 133, Issue 3, Pages 212-219Publisher
ELSEVIER SCI IRELAND LTD
DOI: 10.1016/S0379-0738(03)00037-9
Keywords
third molar; dental development; third molar agenesis; dental age; orthopantomography
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Third molar development was evaluated in 786 young people aged between 4 and 20 years, all patients at the School of Dentistry of the University of Granada. The development of third molars and of mandibular second premolars and second molars was determined according to the stages proposed by Nolla. The onset of mandibular third molar formation was observed at very variable ages in this series, ranging from 5.86 to 14.66 years. The first developmental stages of maxillary third molars are not usually visible radiographically, which can lead to an incorrect diagnosis of agenesis. We found no significant relationship between the gender or age of the patient and the presence or absence of third molars. However, the presence/absence of the third molar can be predicted in 82.82% of cases when there is some degree of calcification of mandibular second molars and second premolars. (C) 2003 Elsevier Science Ireland Ltd. All rights reserved.
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