Effect of Reinforcement on the Flexural Properties of Injection-Molded Thermoplastic Denture Base Resins.

• Material Type: 博士論文
• Title: Effect of Reinforcement on the Flexural Properties of Injection-Molded Thermoplastic Denture Base Resins.
• Author/Editor: Sasaki, Hirono; Hamanaka, Ippei; Takahashi, Yutaka; Kawaguchi, Tomohiro
• Author Heading: Sasaki, Hirono; Hamanaka, Ippei; Takahashi, Yutaka; Kawaguchi, Tomohiro
• Publication Date: 2018-03-10
• Publication Date (W3CDTF): 2018-03-10
• Alternative Title: Effect of Reinforcement on the Flexural Properties of Injection-Molded Thermoplastic Denture Base Resins.
• Degree grantor/type: 福岡歯科大学
• Date Granted: 2018-03-10
• Date Granted (W3CDTF): 2018-03-10
• Dissertation Number: 甲第291号
• Degree Type: 博士（歯学）
• Conferring No. (Dissertation): 甲第291号
• Text Language Code: eng
• Subject Heading: ｐolyamide; polyester; polycarbonate; fiber-reinforced composite
• Target Audience: 一般
• Note (General): To evaluate the effect of reinforcement on the flexural properties of injection-molded thermoplastic denture base resins.; Three injection-molded thermoplastic denture base resins (polyamide, polyester, polycarbonate) were selected for this study, and a conventional heat-polymerized denture base resin (PMMA) was used as a control. Continuous unidirectional glass fiber-reinforced composite (FRC) and metal wire were used for reinforcement. Reinforced bar-shaped specimens (65 mm long, 10 mm wide, 3.3 mm high) were fabricated (n = 10). The flexural strength at the proportional limit (FS-PL) and the elastic modulus were measured using a three-point bending test.; All the denture base material specimens reinforced with FRC possessed a significantly higher FS-PL compared to those without reinforcement. The FS-PL of the polycarbonate specimens reinforced with metal wire was significantly higher than that without reinforcement, and there was no significant difference in the FS-PL between the polycarbonate specimens reinforced with FRC and those with metal wire. The order of the elastic modulus according to the denture base material, arranged in terms of statistical significance, was as follows: PMMA (3.46 ± 0.53 GPa) > polycarbonate (2.69 ± 0.48 GPa) > polyester (2.00 ± 0.39 GPa) > polyamide (1.14 ± 0.35 GPa). The order of the elastic modulus according to the reinforcement, arranged in terms of statistical significance, was as follows: metal wire (2.74 ± 0.96 GPa) > FRC (2.40 ± 0.89 GPa) > no reinforcement (1.82 ± 0.83 GPa).; Continuous unidirectional glass fiber-reinforced composite (FRC) reinforcement had a satisfactory reinforcing effect for the injection-molded thermoplastic denture base resins.
• Persistent ID (NDL): info:ndljp/pid/11092368; https://dl.ndl.go.jp/pid/11092368
• Collection: 障害者向け資料
• Collection (Materials For Handicapped People:1): テキストデータ
• Collection (particular): 国立国会図書館デジタルコレクション > デジタル化資料 > 博士論文; https://dl.ndl.go.jp/collections/A00014
• Acquisition Basis: 博士論文（自動収集）
• Date Accepted (W3CDTF): 2018-05-04T12:13:37+09:00
• Date Created (W3CDTF): 2018-04-27
• Format (IMT): application/pdf
• Access Restrictions: 国立国会図書館内限定公開
• Service for the Digitized Contents Transmission Service: 図書館・個人送信対象外
• Availability of remote photoduplication service: 可
• Periodical Title (URI): https://fdc.repo.nii.ac.jp/records/83
• Data Provider (Database): 国立国会図書館 : 国立国会図書館デジタルコレクション; https://dl.ndl.go.jp

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