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The occlusal imaging and analysis system by T-scan III in tinnitus patients
Federica Di Berardino1, Eliana Filipponi2, Massimo Schiappadori1
1Department of Clinical Sciences and Community, Audiology Unit, IRCCS Fondazione Policlinico, Mangiagalli e Regina Elena, University of Milan, Milan, Italy.
Background:
Several studies have demonstrated that the prevalence of temporomandibular disorders (TMDs) in tinnitus patients ranges from 7% to 95%, and it is reported in literature that idiopathic tinnitus patients should be referred to a dentist to define whether or not the tinnitus is associated with TMD. However, the possible pathophysiological relation between TMDs and tinnitus is not generally investigated in clinical practice.
Methods:
The patterns and forces of occlusal contacts have been studied by means of T-scan III in 47 tinnitus patients (23 suffering from idiopathic tinnitus and 24 affected by Ménière disease [MD]) and 13 healthy subjects.
Results:
The center of force target was offset in the opposite direction in 15/23 idiopathic tinnitus and in 7/24 MD patients (p = 0.026). No significant variation was found in the occlusal force.
Conclusions:
Our data suggest that a diagnostic screening method for occlusal stability in the intercuspidal position might be clinically useful in idiopathic tinnitus patients.
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