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Evaluation of the Curing of Adhesive Systems by Rheological and Thermal Testing
Published on: July 3, 2020
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Compatibility between dental adhesive systems and dual-polymerizing composite resins
Pierre-Luc Michaud1, Alexandra MacKenzie2
1Assistant Professor, Department of Dental Clinical Sciences, Faculty of Dentistry, Dalhousie University, Halifax, NS, Canada.
The Journal of Prosthetic Dentistry
|June 18, 2016
Summary
In vitro testing revealed incompatibilities between some dual-polymerizing composite resins and universal adhesives. Not all dual-cure composite resins perform well with all bonding systems, indicating product-specific interactions.
Area of Science:
- Dental Materials Science
- Adhesive Dentistry
- Restorative Dentistry
Background:
- Limited data exists on adhesive system incompatibilities with dual-polymerizing composite resins.
- Universal adhesives have not been extensively evaluated with these resin systems.
Purpose of the Study:
- To investigate the bonding performance of dual-polymerizing foundation composite resins with various adhesive systems.
- To identify potential incompatibilities between specific adhesive and dual-polymerizing composite resin combinations.
Main Methods:
- Three bonding agents (Single Bond Plus, Scotchbond Multi-purpose, Scotchbond Universal) were tested with three composite resins (CompCore AF, Core Paste XP, Filtek Supreme Ultra).
- Ninety extracted human third molar teeth were used, with specimens tested for shear bond strength after 24-hour water storage.
- Data analysis involved Kruskal-Wallis tests and post hoc pairwise comparisons at a significance level of α=.05.
Main Results:
- All composite resins showed comparable shear bond strengths with Scotchbond Multi-purpose.
- Filtek Supreme Ultra and CompCore AF bonded significantly better with Single Bond Plus and Scotchbond Universal compared to Core Paste XP.
- Core Paste XP demonstrated acceptable bond strength only with Scotchbond Multi-purpose, performing poorly with the other two agents.
Conclusions:
- Dual-polymerizing composite resins can achieve bond strengths comparable to light-polymerizing alternatives.
- Product-specific incompatibilities exist between certain dual-polymerizing composite resins and bonding systems.
- Careful selection of adhesive systems is crucial for optimal performance with dual-polymerizing composite resins.
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