MEDICINA ORAL PATOLOGIA ORAL Y CIRUGIA BUCAL, vol.17, no.5, 2012 (SCI-Expanded)
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.