顎口腔系の状態と全身状態との関連に関する研究 : V-1. 実験的咬合干渉が聴性脳幹反応に与える影響

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Since the auditory brainstem response (ABR) is representative of action potentials generated by sound stimulation from the auditory pathway in the cochlea. peripheral sensorium, cochlear nerve, and brainstem, the appearance of abnormal ABR waves may indicate the presence of some abnormality in the auditory pathway and its surroundings, or in the entire brainstem. It is also presumed that an abnormal change in the masticatory system, including the temporomandibular joint, could be detected by the observation of ABR, because the temporomandibular joint is closely related anatomically and embryologically to such peripheral auditory sensoria as cochlea and auditory ossicles, resulting in the involvement of such abnormal change in the auditory pathway. In this study, an occlusal interference was experimentally imposed to normal subjects, and its effects were examined after 24 hours for the purpose of obtaining a data on ABR responses in thepresence of abnormal change in the masticatory system. As a result, a peak latency of wave I was unilaterally rrolonued in comrarison with that seen before the administration of interference, indicating that an abnormality in the stomatognathic system caused damage not only to the stomatognathic system, but to the cochlear nerve as well through various pathways. Therefore, it was confirmed that the diagnosis, treatment and analysis of an abnormality in the stomatognathic system should be carried out in close cooperation with adjacent territories, by but other territories as well.
日本補綴歯科学会の論文
1991-06-01

顎口腔系の状態と全身状態との関連に関する研究 : V-1. 実験的咬合干渉が聴性脳幹反応に与える影響

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