IDEAS home Printed from https://ideas.repec.org/a/gam/jijerp/v19y2022i19p12706-d933543.html
   My bibliography  Save this article

Adapting Demirjian Standards for Portuguese and Spanish Children and Adolescents

Author

Listed:
  • Lisete S. Mónico

    (Center for Research in Neuropsychology and Cognitive and Behavioral Intervention (CINEICC), Faculty of Psychology and Educational Sciences, Universidade de Coimbra, 3000-115 Coimbra, Portugal)

  • Luís F. Tomás

    (School of Medicine and Dentistry, Health Research Institute Foundation of Santiago (FIDIS), Universidad de Santiago de Compostela, 15703 Santiago de Compostela, Spain)

  • Inmaculada Tomás

    (School of Medicine and Dentistry, Health Research Institute Foundation of Santiago (FIDIS), Universidad de Santiago de Compostela, 15703 Santiago de Compostela, Spain)

  • Purificación Varela-Patiño

    (School of Medicine and Dentistry, Health Research Institute Foundation of Santiago (FIDIS), Universidad de Santiago de Compostela, 15703 Santiago de Compostela, Spain)

  • Benjamin Martin-Biedma

    (School of Medicine and Dentistry, Health Research Institute Foundation of Santiago (FIDIS), Universidad de Santiago de Compostela, 15703 Santiago de Compostela, Spain)

Abstract

Estimation of children’s chronological age is highly important in human and forensic sciences. The Demirjian method has been reported as accurate for this purpose. The literature review shows some evidence that the accuracy of estimating chronological age via the Demirjian standards is not a straightforward process. The objective of this research is to analyze the reliability of the Demirjian standards in Portuguese and Spanish children and adolescents and adapt it to include sex and group age as contingent factors. Methods: Orthopantomographs of 574 Portuguese and Spanish male and female children and adolescents were employed to test the reliability of the Demirjian method. After testing for inter-rater consistency and age estimation using the Demirjian standards, multiple regression analysis was performed controlling for sex and age group. Results: The Demirjian standards overestimated chronological age for both sexes, mainly for females. Through the development of regression functions, more detailed dental age estimation was performed. The predictive capacities of the Demirjian method and the significant teeth varied as a function of children’s age. The Demirjian global standard predicted over 65% of the variance of the chronological age. Taking a tooth-by-tooth approach, the predictive ability increased by over 70%. Conclusions: The accuracy of estimating chronological age via the Demirjian method is not as reliable as it might appear, judging from the results found according to age group and according to sex crossed with age group.

Suggested Citation

  • Lisete S. Mónico & Luís F. Tomás & Inmaculada Tomás & Purificación Varela-Patiño & Benjamin Martin-Biedma, 2022. "Adapting Demirjian Standards for Portuguese and Spanish Children and Adolescents," IJERPH, MDPI, vol. 19(19), pages 1-13, October.
  • Handle: RePEc:gam:jijerp:v:19:y:2022:i:19:p:12706-:d:933543
    as

    Download full text from publisher

    File URL: https://www.mdpi.com/1660-4601/19/19/12706/pdf
    Download Restriction: no

    File URL: https://www.mdpi.com/1660-4601/19/19/12706/
    Download Restriction: no
    ---><---

    References listed on IDEAS

    as
    1. Seyed Mostafa Mousavi Kahaki & Waidah Ismail & Md Jan Nordin & Nazatul S. Ahmad & Marina Ahmad, 2017. "Automated age estimation based on geometric mean projection transform using Orthopantomographs," Journal of Advances in Technology and Engineering Research, A/Professor Akbar A. Khatibi, vol. 3(1), pages 06-10.
    Full references (including those not matched with items on IDEAS)

    Most related items

    These are the items that most often cite the same works as this one and are cited by the same works as this one.
    1. Wanja Wellbrock & Daniela Ludin & Linda Rohrle, 2018. "Sustainability in automotive interior – comparison of volume and premium brand manufacturers," Journal of Advances in Technology and Engineering Research, A/Professor Akbar A. Khatibi, vol. 4(5), pages 197-206.
    2. Alhamzah Taher Mohammed, 2018. "Design and simulation of optimized QPSK transmitter using HDL code in MATALB," Journal of Advances in Technology and Engineering Research, A/Professor Akbar A. Khatibi, vol. 4(5), pages 208-213.

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:gam:jijerp:v:19:y:2022:i:19:p:12706-:d:933543. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    If CitEc recognized a bibliographic reference but did not link an item in RePEc to it, you can help with this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: MDPI Indexing Manager (email available below). General contact details of provider: https://www.mdpi.com .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.