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SHEAR BOND STRENGTH OF RESIN ADHESIVE CEMENT TO ENAMEL AND Ni-Cr-Be ALLOY 접착성 레진 시멘트 와 법랑질 및 닉켈-크롬 합금 간의 전단결합강도
Sun-Hyung Lee, Jae-Ho Yang, Hun-Young Chung, Ⅱ-Seong Jang
이선형, 양재호, 정헌영, 장일성

This study was executed to measure the shear bond strength of Panavia EX and Panavia 21
when the Ni-Cr-Be alloy castings were cemented to the enamel surfaces with these cements. The
cast metsl plates of Ni-Cr-Be alloy were sandblasted and cemented to acid etched enamel surface
with Panavia EX or Panavia 21. Their shear bond strength were measured with Instron Universal
Testing machine. Within the limits of this study, following conclusions were withgdrawn.
1.  The mean shear bond strength were 26.85.7Mpa, in Panavia EX and 28.35.2Mpa, in Panavia
21.
2.  t-Test revealed no statistical significance between two groups(.05 level)
3. Macroscopically, bond failures were revealed compound fracture at metal and enamel
interfaces, in cases of both cements, as the cement attached partly on both metal and enamel
surface.

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