Fatigue Properties of Junction of Crown and Bridge Resin and Metal Frame : (Part 2)Relationship between Surface Treatment or Adhesive and Static Bending Properties

DOI 2 Citations
  • KIMURA Hiroshi
    Department of Dental Technology, Osaka University Faculty of Dentistry
  • TERAOKA Fumio
    Department of Dental Technology, Osaka University Faculty of Dentistry
  • SUGITA Masahiro
    Department of Dental Technology, Osaka University Faculty of Dentistry

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  • 硬質レジンとメタルフレームの接合部の疲労特性 : (第2報)表面処理および接着剤と静的曲げ特性との関係

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Abstract

The static bending test of crown and bridge resin facing metal frame was carried out under a scanning electron microscope, and the relationship between the bending properties and a combination of surface treatments of metal and adhsive or bonding system was studied.The resin facing metal frames constructed by a combination of Sn galvanizing-Panavia and that of oxidation-Bondingliner had a static breaking stress of about 65kgf/mm2.All of these specimens were destroyed between the metal frame and the resin.The specimen, when constructed by the Sebond system, had a stress of about 80kgf/mm2 and were destroyed by cracking the resin.Then the resin facing metal frames treated with 250μm Al2O3 sand, when constructed with Silicoater MD, had a stress of about 80kgf/mm2, and were also destroyed by cracking the resin.

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