{"created":"2023-06-19T07:39:05.560091+00:00","id":2749,"links":{},"metadata":{"_buckets":{"deposit":"a58b0f23-dffd-4e30-a351-98bcd4f121cb"},"_deposit":{"created_by":3,"id":"2749","owners":[3],"pid":{"revision_id":0,"type":"depid","value":"2749"},"status":"published"},"_oai":{"id":"oai:mdu.repo.nii.ac.jp:00002749","sets":["178:307","193:208:256","193:208:298","193:232:299"]},"author_link":["4235","4233","4237","4240","4232","4238","4231","4236","4242","4239","4241","4234"],"item_7_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2017-11","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"4","bibliographicPageEnd":"457","bibliographicPageStart":"451","bibliographicVolumeNumber":"55","bibliographic_titles":[{"bibliographic_title":"小児歯科学雑誌"},{"bibliographic_title":"The Japanese Journal of Pediatric Dentistry","bibliographic_titleLang":"en"}]}]},"item_7_description_19":{"attribute_name":"フォーマット","attribute_value_mlt":[{"subitem_description":"application/pdf","subitem_description_type":"Other"}]},"item_7_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"下顎第一乳臼歯が早期に喪失した場合、保隙のためにクラウンループが適用されることが多い。ループの先端の形状により、ループが歯肉にくい込むこと、歯から離脱することが報告されている。本研究の目的は、有限要素法を用いたシミュレーションから、異なるループ先端形状(3つの形状、W形状、I形状、U形状)のクラウンループが歯およびクラウンループの動きに及ぼす影響をシミュレートすることであった。計算方法は以下の通りである:近心方向の力を第二乳臼歯に適用した場合および、近心方向と同時に舌側方向に力を加えた場合、歯とクラウンループの移動について有限要素法を用いてシミュレーションした。その結果、以下の結論を得た。1.クラウンループに近心方向の力が負荷されると、第二乳臼歯は近心傾斜する。その結果、クラウンループ先端は歯頸に向かって沈下した。その沈下量は、W形、I形、U形の順に増加した。2.クラウンループに近心方向と同時に舌側方向に力を負荷すると、U形では、ループ先端が沈下するとともに、舌側方向へ移動した。その結果、ループ先端は乳犬歯から離脱した。3.W形ループの場合、ループ先端の舌側移動は極めて小さく、乳犬歯からの離脱を防止できることが判明した。","subitem_description_type":"Abstract"}]},"item_7_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"(公社)日本小児歯科学会"}]},"item_7_relation_13":{"attribute_name":"医中誌ID","attribute_value_mlt":[{"subitem_relation_type":"isIdenticalTo","subitem_relation_type_id":{"subitem_relation_type_id_text":"2018075914","subitem_relation_type_select":"ICHUSHI"}}]},"item_7_relation_16":{"attribute_name":"情報源","attribute_value_mlt":[{"subitem_relation_name":[{"subitem_relation_name_text":"雑誌掲載論文(冊子版）"}]}]},"item_7_relation_17":{"attribute_name":"関連サイト","attribute_value_mlt":[{"subitem_relation_name":[{"subitem_relation_name_text":"小児歯科学雑誌（和文誌）"}],"subitem_relation_type_id":{"subitem_relation_type_id_text":"http://www.jspd.or.jp/contents/gakkai/journal/j_journal.html","subitem_relation_type_select":"URI"}}]},"item_7_rights_15":{"attribute_name":"権利","attribute_value_mlt":[{"subitem_rights":"日本小児歯科学会ならびに著者"}]},"item_7_source_id_10":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00116228","subitem_source_identifier_type":"NCID"}]},"item_7_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"0583-1199","subitem_source_identifier_type":"ISSN"}]},"item_7_version_type_20":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"横井, 由紀子"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"山木, 貴子"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"江花, 照夫"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"河村, 純"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"岡藤, 範正"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"大須賀, 直人"}],"nameIdentifiers":[{}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2018-11-21"}],"displaytype":"detail","filename":"2017-ja-009.pdf","filesize":[{"value":"6.6 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