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Water-associated attributes in the contemporary dentin bonding milieu
Cesar R Pucci1, Li-Sha Gu2, Hong-Yun Zhang3
1Department of Restorative Dentistry, Institute of Science and Technology, São Paulo State University UNESP São Jose dos Campos, São Paulo, Brazil.
Journal of Dentistry
|April 28, 2018
Summary
New universal adhesives offer convenience but do not improve the durability of resin-dentin bonds against water degradation. Current advancements prioritize ease of use over long-term bond stability and resistance to environmental challenges.
Area of Science:
- Dental Materials Science
- Adhesive Dentistry
- Biomaterials
Background:
- Water-associated attributes of resin-dentin interfaces are crucial for bond integrity.
- Contemporary universal adhesives aim to simplify dental procedures.
- Understanding adhesive behavior in different application modes is essential.
Purpose of the Study:
- To evaluate water-associated attributes of universal adhesives.
- To compare early and recent universal adhesive versions.
- To assess performance in etch-and-rinse versus self-etch modes.
Main Methods:
- Investigated interfacial permeability and water sorption.
- Examined interface degradation and mechanical strength loss.
- Utilized thermomechanical cycling for accelerated aging.
- Compared results with control etch-and-rinse and self-etch adhesives.
Main Results:
- Universal adhesives offer more application options and user-friendliness.
- Despite advancements, critical water-associated attributes for bond durability remain unchanged.
- Performance was benchmarked against previous adhesive generations.
Conclusions:
- Current universal adhesive development prioritizes convenience over enhanced durability.
- Significant changes in application are noted, but progress in bond longevity is limited.
- Further innovation is needed to improve resistance to environmental degradation.
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