ArticleInternational journal of clinical pediatric dentistry2026
Evaluation of the Mechanical and Rheological Properties of a Chitosan-modified Pit and Fissure Sealant: An
Article in International journal of clinical pediatric dentistry, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Pit and fissure sealants are a cornerstone in caries prevention, particularly in individuals with high susceptibility. Conventional resin-based sealants exhibit drawbacks such as polymerization shrinkage, microleakage, and biofilm accumulation, which may compromise their longevity and effectiveness. Chitosan, a naturally occurring biopolymer, has demonstrated antimicrobial, remineralization, and mucoadhesive properties, making it a promising additive to enhance sealant performance. This study aimed to assess the impact of incorporating 2% chitosan microparticles into a resin-based pit and fissure sealant on its mechanical and rheological properties. Materials and methods: This Results: The incorporation of 2% chitosan significantly enhanced the shear bond strength of the modified sealant (92.19 MPa) compared to the conventional counterpart (59.80 MPa) ( Conclusion: The incorporation of 2% chitosan into resin-based sealants resulted in superior shear bond strength and reduced viscosity, indicating potential clinical advantages such as enhanced retention and improved caries prevention. However, the reduction in flexural strength warrants further investigation. Future research should explore the effects of silanization and assess the long-term clinical performance of chitosan-modified sealants How to cite this article: Kumar N, Shetty K, Nair MR. Evaluation of the Mechanical and Rheological Properties of a Chitosan-modified Pit and Fissure Sealant: An
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