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Home Demirjian's system for estimating dental age among Northwestern Turkish children aged 4-16...

Demirjian’s system for estimating dental age among Northwestern Turkish children aged 4-16 years

Authors:

  • S. ErcalikYalcinkaya
    Department of Dentomaxillofacial Radiology, Marmara University, Faculty of Dentistry, Istanbul, Turkey
  • A. Dumlu
    Department of Dentomaxillofacial Radiology, Marmara University, Faculty of Dentistry, Istanbul, Turkey
  • N. Bekiroglu
    Department of Bioistatistics and Bioinformatics, Marmara University, Faculty of Medicine, Istanbul, Turkey
  • G. K?z?lyel
    Research Associate and PhD student, Department of Dentomaxillofacial Radiology, Marmara University, Faculty of Dentistry, Istanbul, Turkey
  • B. Kargul
    Department of Pediatric Dentistry, Marmara University, Faculty of Dentistry, Istanbul, Turkey

ABSTRACT


Aim

The aim of this study was to investigate the timing of individual tooth formation stages in a group of northwestern Turkish children and to evaluate the suitability of Demirjian's method.

Methods

Study design: dental ages (DAs) were assessed from 1,678 digital panoramic radiographs of healthy children (aged 4-16 years; 743 females and 935 males). Seven mandibular teeth were evaluated according to the Demirjian's eight-grade dental maturity scale by one examiner. Dental age was compared to chronologic age (CA) using a paired t-test. Intra- and inter-observer agreements were assessed with 250 OPGs.

Results

The mean difference between DA and CA was statistically significant among genders (p = 0.004), and it was 0.50 +/-1.90 years in girls and 0.77+/-1.86 years in boys. The mean DA was significantly higher (p<0.0001) than the mean CA in the entire studied group; therefore, dental development was considerably accelerated. The Intra- and Interclass Correlation Coefficient (ICC) for the assessment of DA were 0.964 and 0.961, respectively, which is considered "substantial agreement".

Conclusion

Results show that the mean DAs of the studied group of Turkish children are significantly higher than the CAs. Overestimation is notable at the beginning of puberty.

PLUMX METRICS

Publication date:

Sep /2013

Keywords:

demirjian’s stages, dental age, dental maturation

Issue:

Vol.14 – n.3/2013

Page:

225 – 230

Publisher:

Ariesdue

Cite:


Harvard: S. ErcalikYalcinkaya, A. Dumlu, N. Bekiroglu, G. K?z?lyel, B. Kargul (2013) "Demirjian's system for estimating dental age among Northwestern Turkish children aged 4-16 years", European Journal of Paediatric Dentistry, 14(3), pp225-230. doi:
Vancouver: S. ErcalikYalcinkaya, A. Dumlu, N. Bekiroglu, G. K?z?lyel, B. Kargul. Demirjian's system for estimating dental age among Northwestern Turkish children aged 4-16 years. European Journal of Paediatric Dentistry [Internet]. 2013Sep.1 [cited 2025May.14];14(3):225-230. Available from: https://www.ejpd.eu/abstract-pubmed/demirjians-system-for-estimating-dental-age-among-northwestern-turkish-children-aged-4-16-years/
MLA: S. ErcalikYalcinkaya, A. Dumlu, N. Bekiroglu, G. K?z?lyel, B. Kargul Demirjian's system for estimating dental age among Northwestern Turkish children aged 4-16 years. European Journal of Paediatric Dentistry. 2013;14(3):225-230

Copyright (c) 2021 Ariesdue

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

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    European Journal of Paediatric Dentistry © | ISSN (Online): 2035-648X
    Registrazione del Tribunale di Milano n. 285 del 14.04.1998 | ROC 1946 - 26.09.2001
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