臼歯部用光重合型コンポジットレジンの疲労強度

• 山本 仁

  東京医科歯科大学歯学部口腔総合診断学講座

• 高橋 英和

  東京医科歯科大学歯学部歯科理工学第1講座

書誌事項

タイトル別名

• Tensile Fatigue Strength of Light Cure Composite Resins for Posterior Teeth

抄録

The fatigue property of the composite resin has recently been a subject of research. In this study, the fatigue strength and the tensile strength of composite resins stored in water were investigated. Two types of light cure composite resins were used: a Hybrid type and an MFR type. Dumbbell-shaped specimens were prepared. After storage at 37±0.5°C for 24 hours, 1 month, 3 months, 6 months and 12 months, the fatigue test and the direct tensile test were performed. The staircase method was employed to analyze the fatigue strength under a 10⁵ cyclic load. The fatigue strength of the Hybrid type at 24h ours was 54.7MPa; that of the MFR type was 28.1MPa. Both fatigue strengths decreased during water storage. Otherwise, the tensile strength of the Hybrid type was 77.0MPa; that of the MFR type was 53.5MPa. After 12 months of storage, the tensile strength of the Hybrid type remained unchanged during water storage; however, that of the MFR type decreased.

収録刊行物

• Dental Materials Journal

  Dental Materials Journal 14 (2), 175-184,277, 1995

  一般社団法人　日本歯科理工学会

キーワード

• Fatigue
• Tensile test
• Light cure composite resin

詳細情報

• CRID: 1390282679694282496
• NII論文ID: 110002984180
• NII書誌ID: AA10443149
• DOI: 10.4012/dmj.14.175
• ISSN: 18811361
• ISSN: 02874547
• ISSN: http://id.crossref.org/issn/02874547
• PubMed: 8940556
• Web Site: https://www.jstage.jst.go.jp/article/dmj1982/14/2/14_2_175/_pdf
• Web Site: http://dl.ndl.go.jp/info:ndljp/pid/10744064
• Web Site: https://search.jamas.or.jp/link/ui/1996130466
• 本文言語コード: en
• データソース種別:
  • JaLC
  • Crossref
  • PubMed
  • NDL-Digital
  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可