ArticleFrontiers in bioengineering and biotechnology2025
Enhancing caries-affected dentin bonding with a mussel-inspired primer.
Article in Frontiers in bioengineering and biotechnology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Bioinspired bioadhesion: translating nature's adhesive strategies into regenerative medicine.Med-X · 2026Review
- Comparison of mineral precipitation, elemental release, pH change and cytotoxicity of calcium-silicate cements and an experimental resin-modified glass ionomer cement containing bioactive glass.Biomaterial investigations in dentistry · 2026Article
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Authors and funding
6 authors.
Funding
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Abstract
Introduction: Dental caries is the most common oral disease. In caries-affected dentin (CAD), excessive mineral loss, extensive collagen exposure and collapse, increased enzyme activity, and bacterial residues result in significantly lower resin bonding strength and durability compared to sound dentin (SD). Currently, there are no effective clinical strategies to enhance CAD bonding. Inspired by the excellent wet adhesion capability and collagen affinity of marine mussels, this study aimed to evaluate a mussel-inspired polymerizable monomer (catechol-Lys-methacrylate [CLM]) as a primer to improve CAD bonding performance. Methods: The interactions between CLM and collagen were analyzed Results: FTIR and NMR results showed that CLM was successfully grafted onto CAD collagen through its catechol groups, facilitating subsequent chemical bonding with resin. CLM increased the immediate CAD bond strength by approximately 30% and reduced immediate nanoleakage by approximately 24%, maintaining effectiveness after aging. Moreover, collagen chemical modification by CLM promoted collagen crosslinking, inhibited endogenous enzymatic activity, and conferred antibacterial properties, further enhancing bonding interface stability. Discussion: In summary, this study reports the application of a mussel-inspired monomer, CLM, in CAD bonding. During the wet bonding process, CLM not only improves collagen stability but also serves as a molecular bridge between inorganic resin and organic collagen, thereby enhancing both immediate and aged bonding performance. These findings showing promising clinical application potential.
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