Abstract
The combination of Etch-Free Primer and C&B Metabond has been reported to produce high resin composite to feldspathic porcelain bond strengths without hydrofluoric acid etching. This study compared the shear bond strength of resin composite to a castable glass ceramic that was treated with either Etch-Free Primer and C&B Metabond or ammonium bifluoride (NH5F2) etch/silane under various surface treatment and thermal stress variables. Bond strengths after Etch-Free Primer/C&B Metabond treatment were significantly lower than those for NH5F2/silane treatment. Thermocycling was the most important variable in reducing Etch-Free Primer/C&B Metabond bond strengths.
Publication types
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Comparative Study
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Research Support, U.S. Gov't, Non-P.H.S.
MeSH terms
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Acrylic Resins*
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Ammonium Compounds
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Analysis of Variance
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Boron Compounds*
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Ceramics*
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Composite Resins*
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Dental Bonding / methods*
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Dental Porcelain*
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Dentin-Bonding Agents*
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Fluorides
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Materials Testing
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Methacrylates*
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Methylmethacrylates*
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Microscopy, Electron, Scanning
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Quaternary Ammonium Compounds
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Resin Cements*
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Silanes
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Tensile Strength
Substances
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Acrylic Resins
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Ammonium Compounds
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Boron Compounds
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Composite Resins
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Dentin-Bonding Agents
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Dicor ceramic
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Methacrylates
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Methylmethacrylates
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Quaternary Ammonium Compounds
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Resin Cements
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Silanes
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Dental Porcelain
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Heliolink
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ammonium fluoride
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4-META resin
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Super-bond
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Fluorides