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Age estimation using the radiographic visibility of the periodontal ligament in lower third molars in a Portuguese population

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Age estimation using the radiographic visibility of the periodontal ligament in lower third molars in a Portuguese population

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dc.contributor.author Sequeira, Catarina Dourado es
dc.contributor.author Teixeira, Alexandra es
dc.contributor.author Caldas, Inês Morais es
dc.contributor.author Afonso, Américo es
dc.contributor.author Mongiovi, Daniel Pérez es
dc.date.accessioned 2015-01-20T09:13:34Z
dc.date.available 2015-01-20T09:13:34Z
dc.date.issued 2014 es
dc.identifier.citation Sequeira, Catarina Dourado ; Teixeira, Alexandra ; Caldas, Inês Morais ; Afonso, Américo ; Mongiovi, Daniel Pérez. Age estimation using the radiographic visibility of the periodontal ligament in lower third molars in a Portuguese population. En: Journal of Clinical and Experimental Dentistry, 2014, Vol. 6, No. 5: 546-550 es
dc.identifier.uri http://hdl.handle.net/10550/41311
dc.description.abstract Objectives: The mineralization of third molars has been used repeatedly as a method of forensic age estimation. However, this procedure is of little use beyond age 18, especially to determinate if an individual is older than 21 years of age; thus, the development of new approaches is essential. The visibility of the periodontal ligament has been suggested for this purpose. The aim of this work was to determine the usefulness of this methodology in a Portuguese population. Study Design: Periodontal ligament visibility was assessed in the lower third molars, using a sample of 487 orthopantomograms, 228 of which belonging to females and 259 to males, from a Portuguese population aged 17 to 31 years. A classification of four stages based on the visual phenomenon of disappearance of the periodontal ligament of fully mineralized third molars was used. For each stage, median, variance, minimal and maximal age were assessed. Results: The relationship between age and stage of periodontal ligament had a statistical significance for both sexes. In this population, stage 3 can be used to state that a male person is over 21 years-old; for females, another marker should be used. Conclusions: This technique can be useful for determining age over 21, particularly in males. Differences between studies are evident, suggesting that specific population standards should be used when applying this technique. en_US
dc.subject Odontología es
dc.subject Ciencias de la salud es
dc.title Age estimation using the radiographic visibility of the periodontal ligament in lower third molars in a Portuguese population es
dc.type journal article es_ES
dc.subject.unesco UNESCO::CIENCIAS MÉDICAS es
dc.type.hasVersion VoR es_ES

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