引張試験による金属とポーセレンの接着強さの評価 Tensile Testing Study on Bonding between Dental Porcelain and Porcelain Fusing Alloy

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Since the introduction of the porcelain fusing technique in dentistry, investigations have been attempted to measure the accurate bond strengths between the dental porcelain and the porcelain fusing alloys. However, it is said that there is no universally accepted test method for measuring the bond strength. The purpose of this study was to evaluate the bond strength by using the tensile test method, expected to enable measurement under uniformly distributed loads along the porcelain-alloy interface.<BR>The conclusions were as follows:<BR>(1) The tensile bonding strength values obtained by using the tensile test method resulted in greater bonding strength and less scattering as compared with conventional test methods.<BR>(2)The mode of bond failure of each specimen was cohesive failure in the body porcelain.<BR>(3)The use of powder-type opaque porcelain significantly decreased the bonding strength in the combination of multipurpose gold alloy and low fusing porcelain as compared with the combinations of conventional fusing alloys and middle fusing porcelain.<BR>(4) The use of paste-type opaque porcelain increased the tensile bonding strength of porcelain. A similar result was obtained from low fusing porcelain.

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  • 日本補綴歯科學會雜誌 = The journal of the Japan Prosthodontic Society

    日本補綴歯科學會雜誌 = The journal of the Japan Prosthodontic Society 41(4), 657-662, 1997-08-01

    Japan Prosthodontic Society

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各種コード

  • NII論文ID(NAID)
    10008167210
  • NII書誌ID(NCID)
    AN00197911
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03895386
  • データ提供元
    CJP書誌  CJP引用  J-STAGE 
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