Examination of regressive features of third molars for the purpose of age assessment in the living by means of rescaled regression analyses.
Int J Legal Med
; 133(6): 1949-1955, 2019 Nov.
Article
em En
| MEDLINE
| ID: mdl-31410546
ABSTRACT
The main criterion of dental age assessment in living adolescents and young adults is the evaluation of third molars' mineralization. Concerning forensic age assessment after the completion of third molars' mineralization, apposition of secondary dentine and narrowing of the periodontal membrane as seen as decreasing radiolucent areas in the radiographs for mandibular third molars have already been described as regressive features. The present study examines the combination of both these features for the purpose of age assessment in regression analyses after rescaling the data to make it on the interval scale. To this end, a total of 1245 orthopantomograms was evaluated, taken from 606 females and 639 males in the age group of 15-40 years. The apposition of secondary dentine and narrowing of the periodontal membrane as seen as decreasing radiolucent areas in the radiographs were determined for the lower third molars. The correlation of the features with the chronological age was assessed by means of rescaled regression analyses. Furthermore, regression formulas for age assessment were established. The values of the standard error of estimate ranged between 3.55 and 4.52 years. In general, the rescaled regression of the examined features appears to be suited for forensic age assessment. A limitation of the present study is the comparatively low number of evaluable teeth in the examined age group. Due to an incomplete development or a lack of the mandibular third molars, only a mere half of the respective teeth could be included in the statistical analysis.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Determinação da Idade pelos Dentes
/
Análise de Regressão
/
Dente Serotino
Tipo de estudo:
Diagnostic_studies
/
Observational_studies
Limite:
Adolescent
/
Adult
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Female
/
Humans
/
Male
Idioma:
En
Revista:
Int J Legal Med
Assunto da revista:
JURISPRUDENCIA
Ano de publicação:
2019
Tipo de documento:
Article
País de afiliação:
Alemanha