Exploring the Association between Executive Function and Incisor Trauma: A Pilot Study Public Deposited

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  • March 20, 2019
  • Nyquist, Jillian
    • Affiliation: School of Dentistry, Department of Orthodontics
  • Objectives: To explore the relationship between executive function, as assessed by the Behavior Rating Inventory of Executive Function Parent Form Questionnaire (BRIEF®), and incisor trauma in the mixed dentition. Second, to assess other risk factors such as malocclusion, medical/dental history, and daily activities. Methods: This pilot study included 2 groups: a test group with history of incisor trauma (n=28) and a control group (n=30) with no history of incisor trauma. Subjects’ parents completed the BRIEF® that was scored to assess their child’s level of executive function, while a clinical examination was performed to assess subjects’ occlusal relationships. Parents completed a customized questionnaire regarding their child’s medical history and daily activities. The BRIEF® scores, occlusal characteristics, medical history, and reported daily activities were analyzed to determine if there was a significant difference between the test and control groups using a Fisher Exact and unpaired t-tests. Level of significance was set at 0.05. Results: There was a statistically significant difference between the groups with respect to AP dental relationship (p=0.01), with the trauma group having a greater percentage of participants with a Class II molar and canine relationship. There was no significant difference between groups with respect to mean BRIEF® t-scores within any of the individual subscales, indices, or Global Executive Composite. However, there was a statistically significant difference with respect to the percentage of subjects with clinically significant (≥65) BRIEF® t-scores within the Inhibit (p=0.05) and Emotional Control (p=0.02) subscales and Behavioral Regulation Index (p=0.02). There were no statistically significant differences between groups with respect to age, gender, overbite, overjet, medical history, BMI, or reported daily activities. Conclusion: Those with a Class II relationship are at greater risk for incisor injury, as well as those who are more involved in outdoor activities. There appears to be a link between certain specific executive dysfunctions (i.e. impulsivity and emotional control) and incisor trauma. A larger sample is needed to further investigate the relationship between the multidimensional Executive Function Disorder and incisor trauma.
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Rights statement
  • In Copyright
  • Stein, Margot
  • Phillips, Ceib
  • Koroluk, Lorne
  • Master of Science
Degree granting institution
  • University of North Carolina at Chapel Hill Graduate School
Graduation year
  • 2016

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