Validity of demirjian and nolla methods for dental age estimation for Northeastern Turkish children aged 5-16 years old.
Validity of demirjian and nolla methods for dental age estimation for Northeastern Turkish children aged 5-16 years old.
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DOI：
10.4317/medoral.18034
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发表时间：
2012-09-01
期刊：
影响因子：
--
通讯作者：
Yildirim S
中科院分区：
文献类型：
--
作者：
Nur B;Kusgoz A;Bayram M;Celikoglu M;Nur M;Kayipmaz S;Yildirim S
Objective: To evaluate the applicability of Demirjian and Nolla methods for northeastern Turkish population. Material and Method: A retrospective study was performed on panoramic radiographs of 673 subjects aged 5–15.9 years. The mean dental age (DA) according to the Demirjian and Nolla methods were compared to the mean chronological age (CA). Results: The mean CA of the study sample was 10.37±2.90 and 10.03±2.81 years for females and males, respectively. Using the Demirjian method, the mean estimated DA was 11.26±3.02 years for females and 10.87±2.96 years for males. For Nolla method, the mean estimated DA was 9.80±3.41 and 9.53±3.14 years for females and males, respectively. The mean differences between the CA and DA according to the Demirjian and Nolla methods were 0.86 and -0.54 years for total study sample. Conclusion: Nolla method was found to be a more accurate method for estimating DA in northeastern Turkish population. Key words:Dental age, demirjian method, nolla method, chronological age.
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