Tinnitus is characterized by auditory sensations in the ears or internally when no acoustic stimuli are present.1 Many factors can cause tinnitus, such as otologic factors (impacted cerumen, presbycusis, otitis, noiseinduced hearing loss, Meniere disease, otosclerosis, acute deafness, or other hearing disorders) and central nervous system dysfunction (multiple sclerosis, vestibular schwannoma, whiplash, head injury, and cerebellopontine tumors). Tinnitus also can occur secondary to infectious diseases, including Lyme disease, syphilis, meningitis, and otitis media.1-3 Temporomandibular joint (TMJ) dysfunction (TMD) is another common cause of tinnitus. Tinnitus affects 10 to 15% of the general population However, previous studies have found that patients with TMD are at greater risk of developing tinnitus and often experience more severe symptoms than patients without TMD.2,3 Symptoms of TMD are considered a risk factor for tinnitus.3,4 TMD includes an array of clinical conditions and functional disorders of the jaw and other components of mastication that cause impaired

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