• Roberta Cimino, Rosaria Bucci, Andrea Ambrosio, Laura Carrabba, Bruno Corrado, Vittorio Simeon, and Ambrosina Michelotti.
• Department of Neurosciences, Reproductive Sciences and Oral Science, School of Orthodontics and Temporomandibular Disorders, University of Naples Federico II, Naples, Italy.
• Cranio. 2020 Jun 19: 1-9.

ObjectiveTo assess the prevalence of temporomandibular disorders (TMD) in a sample of tinnitus patients and to determine the association between tinnitus, TMD, neck disability, and oral parafunctions.MethodsSeventy-nine tinnitus patients were enrolled and underwent standardized clinical examination for TMD. The tinnitus severity was measured with the Tinnitus Handicap Inventory (THI). The oral parafunctions were self-reported with the Oral Behavior Checklist (OBC). The neck disability was recorded with the Neck Disability Index (NDI).ResultsMore than half of the sample presented TMD, and the most frequent diagnosis was TMD pain. Higher THI was observed in TMD-pain individuals, compared to TMD-free (β 18.4; 95%CI 6.7, 30.1; p = 0.002). The OBC showed a significant low-to-moderate positive correlation with the THI (rho= 0.368, p = 0.001), while the NDI did not.DiscussionStandardized assessment of TMD and oral behaviors should be integrated into the routine diagnostic evaluations of tinnitus patients.

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