Long-Term Dentin Bonding Performance of Universal Adhesives
Author Information
Author(s): Wu Di, Yao Ye, Cifuentes-Jimenez Carolina Cecilia, Sano Hidehiko, Álvarez-Lloret Pedro, Yamauti Monica, Tomokiyo Atsushi
Primary Institution: Hokkaido University
Hypothesis
The study aimed to investigate the effects of resin composites containing S-PRG filler on the dentin bond strength of HEMA-free and HEMA-containing universal adhesives over a period of 6 months.
Conclusion
S-PRG filler-containing resin composites positively affected the bond strength of the tested universal adhesives, regardless of HEMA concentration after 24 hours of storage, but bond strength decreased after 6 months depending on the adhesive and resin composite combination.
Supporting Evidence
- S-PRG filler-containing resins released more ions than those containing only silica filler.
- The adhesives did not comply with the water sorption requirements from ISO 4049:2019.
- The bond strength of E-BBX1 and E-BBX2 used with BFP was significantly lower after 6 months of storage.
Takeaway
This study looked at how different dental adhesives stick to teeth over time, finding that some materials work better than others, especially when they release helpful ions.
Methodology
The study used a quantitative, qualitative, and prospective in vitro design, evaluating bond strength, degree of conversion, water sorption, and solubility of various adhesives and resin composites.
Limitations
Chemical analyses were not performed on the dentin to determine if passage and deposition of released ions from the composite resin occurred.
Statistical Information
P-Value
p = 0.011 for degree of conversion; p < 0.001 for bond strength comparisons
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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