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Updated: May 24, 2026

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Published on: June 12, 2020
Children presenting with dental trauma are more hyperactive than controls as measured by the ADHD rating scale IV
S Thikkurissy1, Dennis J McTigue, Daniel L Coury
1Department of Pediatric Dentistry, Ohio State University, Columbus, OH, USA. thikkurissy.1@osu.du
Purpose:
Previous studies in the dental traumatology literature have proposed an association between incidence of dental trauma and attention deficit/hyperactivity disorder (ADHD). The purpose of this study was to evaluate the incidence of comorbid dental trauma and ADHD in children presenting for both trauma-related and routine dental care.
Methods:
An Institutional Review Board-approved case group series study examined both populations using the attention deficit hyperactivity disorder rating scale IV (ARS).
Results:
Data were collected from 161 children. There were no differences in overall ARS score or in the inattentiveness subscale. Children with a confirmed recent history of dental trauma did score higher on the hyperactivity/impulsivity subscale (P<.001). There was no difference in subjects scoring above the 90th percentile on the ARS based on group.
Conclusion:
Children presenting with dental trauma scored a higher baseline level of hyperactivity/impulsivity.
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Attention-Deficit/Hyperactivity Disorder
Diagnostic Criteria and Symptoms
To diagnose ADHD, symptoms must manifest before age 12 and be evident across multiple settings.
Conduct Disorder