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Could Traumatic Brain Injury Be a Risk Factor for Bruxism and Temporomandibular Disorders? A Scoping Review
Beata Pająk-Zielińska1, Agnieszka Pająk2, Agnieszka Drab3
1Interdisciplinary Scientific Group of Sports Medicine, Department of Sports Medicine, Medical University of Lublin, 20-093 Lublin, Poland.
Brain Sciences
|March 28, 2025
Summary
Traumatic brain injury (TBI) is not conclusively linked to bruxism or temporomandibular disorders (TMDs). Current evidence is limited in quantity and quality, necessitating further research into TBI
Area of Science:
- Neurology
- Dentistry
- Oral Medicine
Background:
- Bruxism and temporomandibular disorders (TMDs) are prevalent conditions affecting the stomatognathic system.
- A potential association between traumatic brain injury (TBI) and these conditions is an emerging area of research interest.
Purpose of the Study:
- To conduct a scoping review mapping the existing evidence on the association between TBI and bruxism.
- To map the existing evidence on the association between TBI and TMDs.
Main Methods:
- A comprehensive literature search was performed across four major databases: PubMed, Web of Science, Scopus, and the Cochrane Collaboration database.
- A total of 340 studies were initially reviewed, with 4 studies meeting the inclusion criteria for analysis (3 on TBI and bruxism, 1 on TBI and TMDs).
Main Results:
- The current body of evidence is insufficient to confirm a causal link between TBI and the development of bruxism or TMDs.
- The limited quantity and variable quality of the included studies prevent definitive conclusions.
Conclusions:
- There is inadequate evidence to establish TBI as a contributing factor to bruxism or TMDs.
- Further high-quality research is recommended, investigating the impact of TBI severity and specific brain injury regions.
