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VOLUME 12 , ISSUE 2 ( May-August, 2024 ) > List of Articles

ORIGINAL RESEARCH

Adhesive Bond Strength of Glass Ionomer Cement Modified with Chitosan at Different Concentrations: An In Vitro Comparative Evaluation

Yogender Kumar, Shweta Lodha

Keywords : Adhesive bond strength, Chitosan, Chitosan-modified GIC, Glass ionomer cement, Shear bond strength

Citation Information : Kumar Y, Lodha S. Adhesive Bond Strength of Glass Ionomer Cement Modified with Chitosan at Different Concentrations: An In Vitro Comparative Evaluation. 2024; 12 (2):101-105.

DOI: 10.5005/djas-11014-0053

License: CC BY-NC-ND 4.0

Published Online: 31-08-2024

Copyright Statement:  Copyright © 2024; The Author(s).


Abstract

Aims and background: To assess and compare the adhesive bond strengths of conventional glass ionomer cement (GIC), 5% Chitosan-modified GIC and 10% Chitosan-modified GIC to human dentin. Materials and methods: About 45 molars of permanent human teeth were inspected for defects, cleaned, and embedded in acrylic resin. Glass ionomer cement was modified by adding chitosan at different concentrations, i.e., 5% volume/volume (v/v) and 10% v/v. Dentin surfaces were exposed by removing the enamel and then polished. The dentin surfaces were then conditioned. The samples were categorized randomly into three groups: Conventional GIC (Group A), 5% Chitosan-modified GIC (Group B), and 10% Chitosan-modified GIC (Group C). Standardized molds were applied to the exposed dentin, and GIC was bonded using these molds to form cylindrical specimens. After incubation and thermocycling, a universal testing machine was used to measure the adhesive bond strength. The readings were analyzed using one-way ANOVA and post hoc Tukey's test using SPSS software V.21. Results: The highest mean adhesive bond strength was observed in group C (10% Chitosan-modified GIC), followed by group B (5% Chitosan-modified GIC), and group A (Conventional GIC). There were statistically significant differences noted between Conventional GIC and 10% Chitosan-modified GIC, as well as between 5% Chitosan-modified GIC and 10% Chitosan-modified GIC. However, there was no statistically significant difference between Conventional GIC and 5% Chitosan-modified GIC. Conclusion: Incorporating Chitosan into GIC enhanced adhesive bond strength, with 10% Chitosan-modified GIC showing the most significant improvement. These modifications have the potential to enhance clinical outcomes in restorative dentistry. Clinical significance: Enhanced adhesive bond strength with 10% Chitosan-modified GIC suggests potential for more reliable and long-lasting dental restorations.

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