Application of self-cured 4-META adhesive resin removable prosthodontic appliances. Reinforcing effect of wire used at denture repair.

DOI Web Site 3 Citations
  • Nakahira Yoshiki
    The 2nd Department of Prosthetic Dentistry, Osaka University Faculty of Dentistry
  • Maeda Yoshinobu
    The 2nd Department of Prosthetic Dentistry, Osaka University Faculty of Dentistry
  • Okada Masatoshi
    The 2nd Department of Prosthetic Dentistry, Osaka University Faculty of Dentistry
  • Yumikura Shigeki
    The 2nd Department of Prosthetic Dentistry, Osaka University Faculty of Dentistry
  • Ohtani Takayuki
    The 2nd Department of Prosthetic Dentistry, Osaka University Faculty of Dentistry
  • Nokubi Takashi
    The 2nd Department of Prosthetic Dentistry, Osaka University Faculty of Dentistry
  • Okuno Yoshihiko
    The 2nd Department of Prosthetic Dentistry, Osaka University Faculty of Dentistry
  • Tsutsumi Sadami
    Research Center for Medical Polymers and Biomaterials, Kyoto University

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Other Title
  • 常温重合型接着性レジンの有床義歯への応用　　修理時の補強線の効果
  • Reinforcing Effect of Wire used at Denture Repair
  • 修理時の補強線の効果

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Abstract

The object of this study was to find out the effect of reinforcing wires (Co-Cr wrought clasp wire) in denture repair with the newly developed self-cured type 4-META adhesive resin (META-FAST). Evaluation was performed by the bending test on rectangle shape (70×10×2mm) resin specimens with repair portion in the middle.<BR>Following Results were obtained:<BR>1) Maximum bending strength of the fractured resin specimens repaired with resin alone showed 70% of those original values, but the amount of deflection under 2 kg load did not change.<BR>2) In specimens repaired with META-FAST and Co-Cr wire, the increase of maximum bending strength, the load at the propotional limit and the decrease of deflection under 2kg load were observed.<BR>3) The longer reinforcing wire became, the greater reinforcing effect were obtained.<BR>4) Necessary length of reinforcing wire should be determined by the relation between load and stress distribution pattern in the denture-base for each individual case.

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