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The flexural strength at the proportional limit (FS-PL), the elastic modulus, and the Charpy impact strength of the denture base resins were measured according to International Organization for Standardization (ISO) 1567 and ISO 1567:1999/Amd 1:2003.\n\nRESULTS:\nThe descending order of the FS-PL was: conventional PMMA \u003e polyethylene terephthalate, polycarbonate \u003e two polyamides. The descending order of the elastic moduli was: conventional PMMA \u003e polycarbonate \u003e polyethylene terephthalate \u003e two polyamides. The descending order of the Charpy impact strength was: polyamide (Nylon PACM12) \u003e polycarbonate \u003e polyamide (Nylon 12), polyethylene terephthalate \u003e conventional PMMA.\n\nCONCLUSIONS:\nAll of the injection-molded thermoplastic resins had significantly lower FS-PL, lower elastic moduli, and higher or similar impact strength compared to the conventional PMMA. 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Mechanical properties of injection-molded thermoplastic denture base resins.
https://fdc.repo.nii.ac.jp/records/16
https://fdc.repo.nii.ac.jp/records/167cc4469c-9ca8-444a-a852-4f12254ba33e
名前 / ファイル | ライセンス | アクション |
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甲第247号_論文(濵中) (160.1 kB)
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要旨 (91.2 kB)
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論文結果の要旨 (218.4 kB)
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Item type | 学位論文 / Thesis or Dissertation(1) | |||||||||||
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公開日 | 2014-05-08 | |||||||||||
タイトル | ||||||||||||
言語 | en | |||||||||||
タイトル | Mechanical properties of injection-molded thermoplastic denture base resins. | |||||||||||
言語 | ||||||||||||
言語 | eng | |||||||||||
キーワード | ||||||||||||
主題 | Injection-molded thermoplastic denture base resin | |||||||||||
キーワード | ||||||||||||
主題 | mechanical properties | |||||||||||
キーワード | ||||||||||||
主題 | polyamide | |||||||||||
キーワード | ||||||||||||
主題 | polycarbonate | |||||||||||
キーワード | ||||||||||||
主題 | Acrylic Resins | |||||||||||
キーワード | ||||||||||||
主題 | Dental Materials | |||||||||||
キーワード | ||||||||||||
主題 | Denture Bases | |||||||||||
キーワード | ||||||||||||
主題 | Elastic Modulus | |||||||||||
キーワード | ||||||||||||
主題 | Hardness | |||||||||||
キーワード | ||||||||||||
主題 | Humans | |||||||||||
キーワード | ||||||||||||
主題 | Injections | |||||||||||
キーワード | ||||||||||||
主題 | Materials Testing | |||||||||||
キーワード | ||||||||||||
主題 | Mechanical Phenomena | |||||||||||
キーワード | ||||||||||||
主題 | Nylons | |||||||||||
キーワード | ||||||||||||
主題 | Pliability | |||||||||||
キーワード | ||||||||||||
主題 | Polycarboxylate Cement | |||||||||||
キーワード | ||||||||||||
主題 | Polyethylene Terephthalates | |||||||||||
キーワード | ||||||||||||
主題 | Polymers | |||||||||||
キーワード | ||||||||||||
主題 | Polymethyl Methacrylate | |||||||||||
キーワード | ||||||||||||
主題 | Resins, Synthetic | |||||||||||
キーワード | ||||||||||||
主題 | Sulfones | |||||||||||
キーワード | ||||||||||||
主題 | Surface Properties | |||||||||||
キーワード | ||||||||||||
言語 | en | |||||||||||
主題 | Injection-molded thermoplastic denture base resin | |||||||||||
キーワード | ||||||||||||
言語 | en | |||||||||||
主題 | mechanical properties | |||||||||||
キーワード | ||||||||||||
言語 | en | |||||||||||
主題 | polyamide | |||||||||||
キーワード | ||||||||||||
言語 | en | |||||||||||
主題 | polycarbonate | |||||||||||
キーワード | ||||||||||||
言語 | en | |||||||||||
主題 | Acrylic Resins | |||||||||||
キーワード | ||||||||||||
言語 | en | |||||||||||
主題 | Dental Materials | |||||||||||
キーワード | ||||||||||||
言語 | en | |||||||||||
主題 | Denture Bases | |||||||||||
キーワード | ||||||||||||
言語 | en | |||||||||||
主題 | Elastic Modulus | |||||||||||
キーワード | ||||||||||||
言語 | en | |||||||||||
主題 | Hardness | |||||||||||
キーワード | ||||||||||||
言語 | en | |||||||||||
主題 | Humans | |||||||||||
キーワード | ||||||||||||
言語 | en | |||||||||||
主題 | Injections | |||||||||||
キーワード | ||||||||||||
言語 | en | |||||||||||
主題 | Materials Testing | |||||||||||
キーワード | ||||||||||||
言語 | en | |||||||||||
主題 | Mechanical Phenomena | |||||||||||
キーワード | ||||||||||||
言語 | en | |||||||||||
主題 | Nylons | |||||||||||
キーワード | ||||||||||||
言語 | en | |||||||||||
主題 | Pliability | |||||||||||
キーワード | ||||||||||||
言語 | en | |||||||||||
主題 | Polycarboxylate Cement | |||||||||||
キーワード | ||||||||||||
言語 | en | |||||||||||
主題 | Polyethylene Terephthalates | |||||||||||
キーワード | ||||||||||||
言語 | en | |||||||||||
主題 | Polymers | |||||||||||
キーワード | ||||||||||||
言語 | en | |||||||||||
主題 | Polymethyl Methacrylate | |||||||||||
キーワード | ||||||||||||
言語 | en | |||||||||||
主題 | Resins, Synthetic | |||||||||||
キーワード | ||||||||||||
言語 | en | |||||||||||
主題 | Sulfones | |||||||||||
キーワード | ||||||||||||
言語 | en | |||||||||||
主題 | Surface Properties | |||||||||||
資源タイプ | ||||||||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_db06 | |||||||||||
資源タイプ | doctoral thesis | |||||||||||
アクセス権 | ||||||||||||
アクセス権 | open access | |||||||||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||||||||
著者 |
Hamanaka, Ippei
× Hamanaka, Ippei
× Takahashi, Yutaka
× Shimizu, Hiroshi
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抄録 | ||||||||||||
内容記述タイプ | Abstract | |||||||||||
内容記述 | OBJECTIVE: To investigate the mechanical properties of injection-molded thermoplastic denture base resins. MATERIAL AND METHODS: Four injection-molded thermoplastic resins (two polyamides, one polyethylene terephthalate, one polycarbonate) and, as a control, a conventional heat-polymerized polymethyl methacrylate (PMMA), were used in this study. The flexural strength at the proportional limit (FS-PL), the elastic modulus, and the Charpy impact strength of the denture base resins were measured according to International Organization for Standardization (ISO) 1567 and ISO 1567:1999/Amd 1:2003. RESULTS: The descending order of the FS-PL was: conventional PMMA > polyethylene terephthalate, polycarbonate > two polyamides. The descending order of the elastic moduli was: conventional PMMA > polycarbonate > polyethylene terephthalate > two polyamides. The descending order of the Charpy impact strength was: polyamide (Nylon PACM12) > polycarbonate > polyamide (Nylon 12), polyethylene terephthalate > conventional PMMA. CONCLUSIONS: All of the injection-molded thermoplastic resins had significantly lower FS-PL, lower elastic moduli, and higher or similar impact strength compared to the conventional PMMA. The polyamide denture base resins had low FS-PL and low elastic moduli; one of them possessed very high impact strength, and the other had low impact strength. The polyethylene terephthalate denture base resin showed a moderately high FS-PL, moderate elastic modulus, and low impact strength. The polycarbonate denture base resin had a moderately high FS-PL, moderately high elastic modulus, and moderate impact strength. |
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学位名 | ||||||||||||
学位名 | 博士(歯学) | |||||||||||
学位授与大学 | ||||||||||||
学位授与機関識別子 | 37114 | |||||||||||
学位授与機関名 | 福岡歯科大学 | |||||||||||
学位授与年度 | ||||||||||||
内容記述 | 2013年度 | |||||||||||
学位授与年月日 | ||||||||||||
学位授与年月日 | 2014-03-15 | |||||||||||
報告番号 | ||||||||||||
学位授与番号 | 甲第247号 | |||||||||||
情報源 | ||||||||||||
関連名称 | Acta Odontol Scand. 2011 Mar;69(2):75-9. doi: 10.3109/00016357.2010.517557. Epub 2010 Sep 27. | |||||||||||
関連サイト | ||||||||||||
識別子タイプ | URI | |||||||||||
関連識別子 | http://informahealthcare.com/doi/abs/10.3109/00016357.2010.517557 | |||||||||||
関連名称 | informa | |||||||||||
著者版フラグ | ||||||||||||
出版タイプ | VoR | |||||||||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |