Even though many studies have been performed to estimate DA in general population, limited research has been performed concerning medical compromised populations such as childhood cancer survivors. The aims of this case–control study were (a) to estimate dental age in a population of children that have undergone antineoplastic treatment with three different methods and (b) to compare it with the estimates from healthy subjects (control group).
Materials and methods
Seventy-three oncology patients and equal number of healthy control subjects from the Pediatric dentistry Department had their dental age estimated through recent orthopantograms using Dermijian’s, Willems’ and London Atlas methods. All OPGs randomly assessed by two calibrated observers. Mean age difference was calculated. Intraclass Correlation Coefficient was used to assess intra-observer reliability and the Concordance Correlation Coefficient used to assess inter-observer reliability.
Concerning the CCS group 35 subjects (48%) were males and 38 (52%) were females, with an overall mean chronological age 10.95 years, ranging between 5.37 and 15.83 years. Intra- and inter-examiner reliability was exceptional for all methods. Mean DA differences in both groups and were not statistically sinificant regardless of the method used. The marginally lower values when males and females were investigated separately is basically due to the corresponding reduction of the sample size.
An overestimation of DA observed in both groups by all methods was not significant. All three methods produced highly accurate comparable results when it comes to estimate the actual chronological age in both groups (CCS and control subjects) regardless of gender.
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No funding was received for conducting this study.
Conflict of interest
The authors have no conflicts of interest to declare that are relevant to the content of this article.
Approval was obtained from the ethics committee of School of Dentistry, NKUA, Greece (N439, date of acceptance 01.06.20). The procedures used in this study adhere to the tenets of the Declaration of Helsinki. This project does not contain any studies with animals performed by any of the authors.
Informed consent was obtained from all parents or guardians who accompanied all eligible participants.
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Mitsea, A., Seremidi, K., Tsiligianni, A. et al. Dental age estimation in children that have undergone antineoplastic treatment. Eur Arch Paediatr Dent (2021). https://doi.org/10.1007/s40368-021-00661-y
- Dental age estimation
- Demirjian’s method
- Willems’ method
- London Atlas antineoplastic therapy
- Childhood cancer
- Cancer survivors