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KMID : 1004520130290010069
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Journal of Dental Rehabilitation and Applied Science
2013 Volume.29 No. 1 p.69 ~ p.79
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The Effect of Surface Treatment on the Shear Bond Strength of Zirconia Ceramics to Resin Cement
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Kim Kyung-Soo
Kim Yu-Lee
Kim Jeong-Mi
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Abstract
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The aim of this study was to evaluate the effect of surface conditioning on the shear bond strength of zirconium-oxide
ceramic to resin cement. A total of 120 disk-shaped zirconium-oxide ceramic blocks(3-TZP, Kyoritsu, Tokyo, Japan) were
treated as follows: (1) no treatment; (2) sandblasting with 110 μm aluminum-oxide(Al2O3); (3) particles tribochemical silica coating(RocatecTM, 3M ESPE). Then zirconium-oxide ceramic blocks were divided into six groups(10 for each group) and bonded with resin cement(Rely X U-200, 3M ESPE). (1) No treatment / No treatment (2) No treatment / Sandblasting with 110 μm aluminum-oxide particles (3) No treatment / Silica coating (4) Sandblasting with 110 μm aluminum-oxide particles / Sandblasting with 110 μm aluminum-oxide particles (5) Sandblasting with 110 μm aluminum-oxide particles / Silica coating (6) Silica coating / Silica coating. Each group was tested in shear bond strengths by UTM. Data analysis included one-way analysis of variance(ANOVA) and the Tukey Honestly Significant Difference test (P=0.05). Group that bonded two silica coated specimen showed a highest bond strength(P<0.05). Two silica coated surface conditioning group and air-abrasion and silica coated surface conditioning group showed significantly difference with other groups(P<0.05). Other groups had no significantly difference each other. Within the limitation of this study, Surface conditioning with Rocatec treatment to each side of specimen provided the highest bond strength.
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KEYWORD
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Resin cement, Shear bond strength, Surface conditioning, Zirconia
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