J Korean Acad Prosthodont.  2013 Apr;51(2):73-81. 10.4047/jkap.2013.51.2.73.

The effect of surface treatment conditioning on shear bond strength between zirconia and dental resin cements

• Kim JH
• Seo JM
• Ahn SG
• Park JM
• Song KY

• KMID: 2045109
• DOI: http://doi.org/10.4047/jkap.2013.51.2.73

Abstract

PURPOSE
The purpose of this study was to evaluate the effect of surface treatment on the shear bond strength of zirconia ceramic to 3 resin cements.
MATERIALS AND METHODS
A total of 143 disk-shaped Zirconia blocks (HASS Co., Gangneung, Korea) were randomly divided into three treatment groups: (1) only 50 microm Al2O3 sandblasting, (2) 50 microm Al2O3 sandblast and zircona liner, (3) 50 microm Al2O3 sandblasting and Rocatec (3M ESPE, Seefeld, Germany). Bistite II (Tokuyama Dental Co., Japan), Panavia F (Kuraray Medical, Japan), and Superbond C&B (Sun Medical, Japan) were used to cement onto the zirconia. After 24h of storage in distilled water, shear bond strength was evaluated. High value group was re-tested after thermocycling at 5,000 cycles(5-55degreesC). Shear bond strength data were analyzed with one-way ANOVA, two-way ANOVA test and Post Hoc Test (alpha=.05). Shear bond strength data before and after thermocycling were analyzed with Independent sample T test (alpha=.05).
RESULTS
Super-bond C&B treated with Rocatec showed the most high shear bond strength. Super-bond C&B groups resulted in significantly higher than other cement groups (P<.05). Rocatec groups resulted in significantly higher than other surface treatment groups (P<.05). Shear bond strength has increased in Panavia F treated with Zirconia liner (P<.05). After thermocycling, shear bond strength was increased in Super-bond C&B treated with Rocatec but decreased in other groups (P<.05).
CONCLUSION
Super-bond C&B cement resulted the highest shear bond strength and Rocatec system enhanced the shear bond strength. After thermocycling, shear bond strength has decreased in most resin cements except Super-bond C&B treated with Rocatec.

Keyword

Zirconia; Shear bond strength; Sandblasting; Zirconia liner; Rocatec

MeSH Terms

Boron Compounds
Ceramics
Dental Cements
Methacrylates
Methylmethacrylates
Resin Cements
Resins, Synthetic
Water
Zirconium
Boron Compounds
Ceramics
Dental Cements
Methacrylates
Methylmethacrylates
Resin Cements
Resins, Synthetic
Water
Zirconium

Figure

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  Fig. 1. Disk-shaped zirconia specimen.

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  Fig. 2. Bonded resin cement to zirconia specimen.

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  Fig. 3. Schematic diagram of shear bond strength testing.

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  Fig. 4. Mean shear bone strength by surface treatment (MPa).

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  Fig. 5. Mean shear bone strength by resin cement (MPa).

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