J Korean Acad Prosthodont.  2014 Jan;52(1):1-8. 10.4047/jkap.2014.52.1.1.

The effect of Silano-pen on the shear bond strength of resin to feldspathic porcelain and zirconia

• Shin MS
• Lee JY
• Kim MS
• Shin SW

• KMID: 2000141
• DOI: http://doi.org/10.4047/jkap.2014.52.1.1

Abstract

PURPOSE
The purpose of this study is to evaluate the effect of applying Silano-pen to feldspathic porcelain and zirconia on shear bond strength with composite resin.
MATERIALS AND METHODS
Feldspathic porcelain and zirconia specimens were produced into 30 per each 2 mm thick and 12 mm in diameter and their surface was made smooth and even and then embedded in acrylic resin. The specimens were divided into each Group F (Feldspathic porcelain) and Group Z (Zirconia), (1) Hydrofluoric acid etching and silane (F1 & Z1), (2) Silano-pen and silane (F2 & Z2), (3) Hydrofluoric acid etching and Silano-pen, silane (F3 & Z3). After surface conditioning, substrate surfaces of the specimen were examined by SEM. Composite resin cylinders (2 mm high, 3 mm in diameter)were bonded to specimen and shear bond strength between ceramic and composite resin was measured by using universal testing machine. The measured values were statistically analyzed by using two way ANOVA and Tukey's multiple comparison test (alpha=.05).
RESULTS
In the scanning electron micrograph of the treated ceramic surface, Group F2 and F3 appeared the high roughness and Group Z3 appeared the highest density of silica particle. In Feldspathic porcelain, the result of measuring shear bond strength showed that Group F3 was measured to be highest and Group F1 was measured to be lowest but there was no statistical significance among Groups. In zirconia, Group Z3 was measured to be highest and Group Z1 was measured to be lowest and there was statistical significance among Groups (P<.05).
CONCLUSION
In zirconia, applying hydrofluoric acid etching and then Silano-pen and silane is effective for composite resin adhesion.

Keyword

Zirconia; Silano-pen; Shear bond strength

MeSH Terms

Ceramics
Dental Porcelain*
Hydrofluoric Acid
Silicon Dioxide
Ceramics
Dental Porcelain
Hydrofluoric Acid
Silicon Dioxide

Figure

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  Fig. 1. Ceramic disk embedded in acrylic resin.

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  Fig. 2. Composite resin cylinder bonded to a specimen.

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

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  Fig. 4. Scanning electron microscopic view of 4 treated feldspathic porcelain surface (×1,000). A: No treatment, B: Surface etched by hydrofluoric acid, C: Surface treated by Silano-pen, D: Surface treated by hydrofluoric and Silano-pen.

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  Fig. 5. Scanning electron microscopic view of 4 treated feldspathic porcelain (×5,000). A: No treatment, B: Surface etched by hydrofluoric acid, C: Surface treated by Silano-pen, D: Surface treated by hydrofluoric and Silano-pen.

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  Fig. 6. Scanning electron microscopic view of 4 treated zirconia surface (×1,000). A: No treatment, B: Surface treated by hydrofluoric acid, C: Surface treated by Silano-pen, D: Surface treated by hydrofluoric and Silano-pen.

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  Fig. 7. Scanning electron microscopic view of 4 treated zirconia surface (×5,000). A: No treatment, B: Surface etched by hydrofluoric acid, C: Surface treated by Silano-pen, D: Surface treated by hydrofluoric and Silano-pen.

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  Fig. 8. The shear bond strength of feldspathic porcelain and zirconia.

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