{"created":"2023-06-19T07:38:24.794903+00:00","id":1379,"links":{},"metadata":{"_buckets":{"deposit":"6b7864e6-02db-41a0-ac4d-7234c48bb812"},"_deposit":{"created_by":3,"id":"1379","owners":[3],"pid":{"revision_id":0,"type":"depid","value":"1379"},"status":"published"},"_oai":{"id":"oai:mdu.repo.nii.ac.jp:00001379","sets":["1:51:66"]},"author_link":["0"],"item_2_alternative_title_1":{"attribute_name":"その他（別言語等）のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"Evaluation on Crown Restorative Materials"}]},"item_2_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1984-12-31","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"2","bibliographicPageEnd":"120","bibliographicPageStart":"111","bibliographicVolumeNumber":"10","bibliographic_titles":[{"bibliographic_title":"松本歯学"}]}]},"item_2_description_19":{"attribute_name":"フォーマット","attribute_value_mlt":[{"subitem_description":"application/pdf","subitem_description_type":"Other"}]},"item_2_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"In recent developments of dental meterials science, variable new or improved materials have been used for crown restorations. They include metals, ceramics, polymers and their composite materials. Dental alloys are classified into four types of gold alloys, gold palladium-silver system alloys, silver-tin or indium alloys, chromium-nickel system alloys and chromium-cobolt system alloys for crown and bridge work. Dental porcelains and resins that include vinyl acrylics or dimethylacrylate, are used to provide jacket crowns and fusing or facing for crowns and bridges. Porcelain fused to metal restorations have been produced with several types of alloys containing precious metal or non-precious metal. Amalgams, silicate cements, un filled self-curing resins, composite resins and glassionnomer cements are available as filling materials. Properties of crown restorative materials are desirable to simulate densities, specific heats, thermal conductivities, co-efficients of thermal expansion, compressive, tensile and bending strength and modulus of elasticity of the enamel or dentine. They must also be safe to corrosion, tarnish, and solubility, and to be tissue compatibilities. From the standpoint of dental materials science, for crown restorations, composite resins should be used for class III and class V restorations, and precious metal system alloys fused with porcelain should be prepared on front teeth where esthetic appearance is of primary importance. In molars, the restoration should be provided with gold alloys or gold-palladium-silver system alloys. Lately, Composite resins have been applied on class II and class IV restorations and chromium-nickel system alloys have been used widely to prepare crown restoration. But the former are one third and the latter are three times the elastic modulus of enamel. Both　are incapable of withstading the strain to enamel caused by mastication. It seems to effective that properties of restorative material are as similar to those of tooth structure. While the material has been decided on due to economical reason in many dental clinics, it must be applied from the standpoint of materials science.","subitem_description_type":"Abstract"}]},"item_2_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"松本歯科大学学会"}]},"item_2_source_id_11":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00232590","subitem_source_identifier_type":"NCID"}]},"item_2_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"0385-1613","subitem_source_identifier_type":"ISSN"}]},"item_2_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":"高橋, 重雄"}],"nameIdentifiers":[{}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2012-05-24"}],"displaytype":"detail","filename":"matsumoto_shigaku_10-02-01.pdf","filesize":[{"value":"665.5 kB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"matsumoto_shigaku_10-02-01.pdf","url":"https://mdu.repo.nii.ac.jp/record/1379/files/matsumoto_shigaku_10-02-01.pdf"},"version_id":"73a47a75-8e7a-461a-9c51-f243f97a7920"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"歯冠修復","subitem_subject_scheme":"Other"},{"subitem_subject":"合金","subitem_subject_scheme":"Other"},{"subitem_subject":"陶材","subitem_subject_scheme":"Other"},{"subitem_subject":"高分子","subitem_subject_scheme":"Other"},{"subitem_subject":"物性","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":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"歯冠修復材料の評価","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"歯冠修復材料の評価"}]},"item_type_id":"2","owner":"3","path":["66"],"pubdate":{"attribute_name":"公開日","attribute_value":"2012-05-24"},"publish_date":"2012-05-24","publish_status":"0","recid":"1379","relation_version_is_last":true,"title":["歯冠修復材料の評価"],"weko_creator_id":"3","weko_shared_id":-1},"updated":"2023-06-19T08:15:10.519613+00:00"}