{"created":"2023-06-23T12:22:22.594098+00:00","id":14223,"links":{},"metadata":{"_buckets":{"deposit":"6446d146-e87b-46c8-93ca-d7625fbb5b9c"},"_deposit":{"created_by":21,"id":"14223","owners":[21],"pid":{"revision_id":0,"type":"depid","value":"14223"},"status":"published"},"_oai":{"id":"oai:asahi-u.repo.nii.ac.jp:00014223","sets":["46:348:502"]},"author_link":["15424","3954","2646","4028","4029","12740","16964"],"item_10002_biblio_info_77":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2023-02","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"3","bibliographicPageEnd":"147","bibliographicPageStart":"139","bibliographicVolumeNumber":"49","bibliographic_titles":[{"bibliographic_title":"岐阜歯科学会雑誌"},{"bibliographic_title":"The Journal of Gifu Dental Society","bibliographic_titleLang":"en"}]}]},"item_10002_description_80":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"日本の五大死因の一つに肺炎が挙げられる。肺炎による死亡リスクは誤嚥性肺炎が最も高いことが知られ、歯科医療分野においては嚥下障害が誤嚥性肺炎のリスクを高めることは周知の事実である。実際に、日々様々な医療現場で嚥下障害の評価を行う機会は確実に増えており、嚥下障害を回復することを目的とした舌接触補助床製作も日常的な診療項目となりつつあり、今後の医療において必要不可欠な分野であることは言うまでもない。嚥下障害を有する患者の多くは高齢者であり、すなわち義歯の装着率も高い。義歯製作時には咬耗で低位となった咬合高径を是正するため、咬合挙上が行われることもしばしばあり、その際に舌口蓋接触が不十分になることで生じる嚥下障害も存在する。しかし、義歯や舌接触補助床の製作に際し口蓋部の形態に関しては、床の適用範囲、診断に必要な検査法、製作ならびに調整方法、効果と限界に関する十分なエビデンスがこれまで整理されていない。診査に用いられる簡便な方法として嚥下音の聴取が挙げられる。しかし、その検査対象である嚥下音の音響特性は明らかになっていない。今回、誤嚥性肺炎予防のための義歯および舌接触補助床のより適切な製作に向けて、口腔内容積に着目し、口腔内容積と嚥下音の関係を明らかにすることを目的に、基礎的研究を行った。健常成人男性10名を対象に口腔内容積の減少および増加を想定した実験床を装着したときの嚥下音を記\n録し、音響解析ソフトを用いて音響分析を行い、得られたデータをもとに統計処理を行った。口腔内容積と周波数特性には有意な相関関係は認められず、口腔内容積と音質評価指標であるラウドネスにはコントロール群と実験床装着群で有意な差が認められた。本研究より口腔内容積の変化が嚥下音の音質評価指標ラウドネスに影響を及ぼすことが明らかとなり、音質評価指標が従来の音響分析と比較して嚥下音に対して有用であることが示唆された。","subitem_description_type":"Abstract"},{"subitem_description":"Pneumonia is one of the five major causes of death in Japan. It is known that the risk of death from pneumonia is highest for aspiration pneumonia, and it is a well-known fact that the risk of aspiration pneumonia is increased by dysphagia. In fact, opportunities to evaluate dysphagia are steadily increasing in various medical settings. Manufacture of PAP (Palatal augmentation prosthesis) for the purpose of recovering swallowing function is becoming a routine medical item. Needless to say, the field of swallowing is indispensable in future medicine. Many patients with dysphagia are elderly, and the rate of wearing dentures in the elderly is high. In order to correct the occlusal height that has become low due to occlusion, dentures are often used to lift the bite, and dysphagia occurs due to insufficient contact between the tongue and the palate. However, regarding the morphology of the palate in the fabrication of dentures and tongue contact assistive plates, there has not been sufficient evidence for the following items: coverage of bases, examination methods required for diagnosis, manufacture and adjustment methods, effects and limitations. The purpose of this study is to clarify the relationship between oral volume and swallowing sounds, focusing on oral volume, in order to develop more appropriate dentures and PAP for the prevention of aspiration pneumonia. Subjects are 10 healthy adult males. Subjects were made to wear experimental Plates that increase and decrease the oral volume, the swallowing sounds were recorded, acoustic analysis was performed using acoustic analysis software, and statistical processing was performed. From this study, it was clarified that changes in oral cavity volume affect loudness, a sound quality evaluation index of swallowing sounds. It was suggested that the sound quality evaluation index is more useful for swallowing sounds than the conventional acoustic analysis. 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characteristics","subitem_subject_language":"en","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"departmental bulletin paper","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"口腔内容積の変化が嚥下音音響特性に及ぼす影響","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"口腔内容積の変化が嚥下音音響特性に及ぼす影響"},{"subitem_title":"Effect of oral cavity volume on acoustic characteristics of swallowing sounds","subitem_title_language":"en"}]},"item_type_id":"10002","owner":"21","path":["502"],"pubdate":{"attribute_name":"公開日","attribute_value":"2023-05-08"},"publish_date":"2023-05-08","publish_status":"0","recid":"14223","relation_version_is_last":true,"title":["口腔内容積の変化が嚥下音音響特性に及ぼす影響"],"weko_creator_id":"21","weko_shared_id":-1},"updated":"2024-01-17T06:57:51.302723+00:00"}