Shear Bond Strength and Interfacial Characterization of Ceramic to Beryllium Free Nonprecious Alloys for Porcelain Fused to Metal Crown

베릴륨이 포함되지 않은 도재용착용 비귀금속 합금과 세라믹간의 전단결합강도와 계면특성

  • 정인성 (부산가톨릭대학교 보건과학대학 치기공학과) ;
  • 김치영 (부산가톨릭대학교 보건과학대학 치기공학과)
  • Received : 2010.09.28
  • Accepted : 2010.11.25
  • Published : 2010.11.28


Ni-Cr and Co-Cr alloy uncontained Be element for using as dental porcelain alloy were analyzed the mechanical properties through bonding strength and fracture test after the bonding with porcelain. The bonding strengths between alloy and ceramic were measured through the shear bond strength test. Consequently, the T-3 group contained Be element that had shear strength of 41.13(${\pm}5.11$)MPa was showed the highest shear strength than the other groups. The second highest group was a verabond contained Be element that had shear strength of 40.72(${\pm}5.98$)MPa. The results of the other groups according to the shear strength were Wirobond(38.40(${\pm}9.66$)MPa) belonged to Co-Cr alloy, and Verabond 2V(32.77(${\pm}4.31$)MPa), Bellabond N(28.63(${\pm}6.39$)MPa), Bellabond plus(24.97(${\pm}6.13$)MPa), Argeloy N.P. Star(22.69(${\pm}3.41$)MPa) uncontained Be element, respectively. The morphological aspects of the fracture surface between alloys and ceramic were observed that all groups were caused mixed failure as conformation attached ceramic fragments to metallic surface by fracture process.


Non-precious Alloy;Shear Bond Strength;Interfacial Characterization


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