The comparison between measurement of open apices of third molars and Demirjian stages to test chronological age of over 18 year olds in living subjects

被引:126
作者
Cameriere, R. [1 ]
Ferrante, L. [2 ]
De Angelis, D. [1 ,3 ]
Scarpino, F. [1 ]
Galli, F. [1 ]
机构
[1] Univ Macerata, Inst Forens Med, AgEstimat Project, I-62100 Macerata, Italy
[2] Polytech Univ Marche, Inst Microbiol & Biomed Sci, I-60100 Ancona, Italy
[3] Univ Milan, Inst Med Legale, Lab Antropol & Odontol Forense, I-20133 Milan, Italy
关键词
age determination; third molar; linear regression; illegal immigration;
D O I
10.1007/s00414-008-0279-6
中图分类号
DF [法律]; D9 [法律]; R [医药、卫生];
学科分类号
0301 ; 10 ;
摘要
This paper concerns a method for assessing adult age based on the relationship between age and the third molar maturity index (I(3M)), which is related to the measurement of the open apices of the third molar. Furthermore, this method was compared to those based on Demirjian's stages G and H. The sample consisted of 906 Caucasian individuals aged between 14 and 23 years (53.6% females and 46.4% males). Orthopantomographs were analyzed by two observers and calibrated by means of the concordance correlation coefficient for the reproducibility of the third molar maturity index (I(3M)) and kappa statistics for reproducibility of the Demirjian stages. Probabilities for an individual to be older than 18 years of age (adult age) were derived using the measurements of the third molar maturity index (I(3M)). These results were exploited to set out a threshold value to assign an individual to juvenile or adult age. A cutoff value of I(3M) = 0.08 was taken. The sensitivity of this test was 70% and specificity was 98%. Furthermore, the proportion of individuals with a correct classification was 83%. The results of the test showed a better specificity when compared to the choice of stage G and a better sensitivity when compared to the choice of stage H for adult age.
引用
收藏
页码:493 / 497
页数:5
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