Brief Report: Estimating the Dental Age of Children with Autism Spectrum Disorders

  • Jacobo Limeres
  • Pedro Diz
  • María Teresa Abeleira
  • Mercedes Outumuro
  • Javier Fernández-Feijoo
  • Márcio Diniz-FreitasEmail author
  • Lucía García-Caballero
Brief Report


Determining a patient’s dental age is essential from the dental standpoint but can also have connotations of a forensic, anthropological and medicolegal nature. In this study, we assessed the correspondence between dental age and chronological age in a group of 50 children with autism spectrum disorders, with a chronological age range of 3–17 years. The dental age was calculated using panoramic radiography images, applying linear regression models derived from the classical indices by Nolla and Demirjian. In 2 of every 3 boys, the dental age was ahead of the chronological age, and in almost 1 of every 3 cases, the difference was ≥ 12 months. In the girls, conversely, we found no significant differences between dental age and chronological age.


Autism spectrum disorders Chronological age Dental age Dental maturation index 


Author Contributions

JL and PD contributed to conception and design, drafted the manuscript and gave final approval. MTA contributed to interpretation of data, critically revised the manuscript and gave final approval. MO and MDF contributed to acquisition of data, critically revised the manuscript and gave final approval. JFF and LGC contributed to analysis of data, critically revised the manuscript and gave final approval.


The work was supported by the Medical-Surgical Dentistry Research Group (OMEQUI), University of Santiago de Compostela (USC), Spain.

Compliance with Ethical Standards

Conflict of interest

The authors declare no potential conflicts of interest with respect to the authorship and/or publication of this article.

Ethical Approval

The study was approved by the Institutional Review Board of the University of Santiago de Compostela (USC), Spain.

Informed Consent

All the images used in this study belong to the historical archive of the Radiology Unit of the Faculty of Medicine and Dentistry of the University of Santiago de Compostela in Spain. No specific informed consent was required,givenall participants or, as appropriate, their legal representatives, signed an informed consent to authorize the use of images for teaching or research purposes.


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Medical-Surgical Dentistry Research Group (OMEQUI), Health Research Institute of Santiago de Compostela (IDIS)University of Santiago de Compostela (USC)Santiago de CompostelaSpain
  2. 2.Special Care Dentistry Unit, School of Medicine and DentistryUniversity of Santiago de CompostelaSantiago de CompostelaSpain

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