Otological manifestations in temporomandibular joint dysfunction |
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Authors: | JOUKO KOSKINEN MIKKO PAAVOLAINEN MATTI RAIVIO JOHN ROSCHIER |
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Affiliation: | Otolaryngological Clinic, University Central Hospital, Helsinki, and Institute of Dentistry, University of Helsinki, Finland |
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Abstract: | Forty-seven patients with temporomandibular joint dysfunction were studied. A total of 100 subjective symptoms localized in the ear were encountered in thirty-nine patients. The treatment of dysfunction eradicated or reduced 56% of these symptoms. A hearing defect was established audiometrically in eight cases and the probable cause was outside the masticatory apparatus in seven cases. There was conceivably a causal relationship in one case between the patient's cochlear hearing defect and temporomandibular joint dysfunction. The neuro-otological finding was pathological in nine cases, in three of which the causative agent was independent of the masticatory apparatus. The vestibular disturbance diagnosed in six cases may have originated from temporomandibular joint dysfunction, but this could not be confirmed. |
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