德米尔詹和诺拉方法在评估 5-16 岁东北土耳其儿童牙龄时的有效性。
Validity of demirjian and nolla methods for dental age estimation for Northeastern Turkish children aged 5-16 years old.
机构信息
Department of Pedodontics, Karadeniz Technical University, Faculty of Dentistry, Trabzon, Turkey.
出版信息
Med Oral Patol Oral Cir Bucal. 2012 Sep 1;17(5):e871-7. doi: 10.4317/medoral.18034.
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.
目的
评估 Demirjian 和 Nolla 方法在东北土耳其人群中的适用性。
材料和方法
对 673 名 5-15.9 岁的受试者的全景片进行了回顾性研究。根据 Demirjian 和 Nolla 方法计算的平均牙龄（DA）与平均年龄（CA）进行了比较。
结果
研究样本的平均 CA 分别为女性 10.37±2.90 岁和男性 10.03±2.81 岁。使用 Demirjian 法，女性的平均估计 DA 为 11.26±3.02 岁，男性为 10.87±2.96 岁。对于 Nolla 法，女性和男性的平均估计 DA 分别为 9.80±3.41 和 9.53±3.14 岁。根据 Demirjian 和 Nolla 方法，CA 和 DA 之间的平均差异在总研究样本中为 0.86 和-0.54 年。
结论
Nolla 法在估计东北土耳其人群的 DA 方面更为准确。
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