Effect of Silver Diamine Fluoride and Potassium Iodide Application on the Microhardness and Shear Bond Strength of Resin Composite to Enamel and Dentin - An In vitro Study
Year: 2025
Type: article
Abstract: AIM: To evaluate the effect of the application of silver diamine fluoride-potassium iodide on the microhardness and shear bond strength of composite resin complex to enamel and dentin. MATERIAL AND METHOD: Extracted premolars were processed and sectioned to expose flat enamel and dentin surfaces. Group 1 was the Enamel group and Group 2 was the Dentin group which were further categorized into sound and demineralized subgroups, with and without SDF+KI application. The samples were then mounted in self-curing acrylic resin and composite buttons were built over the flat surfaces of each subgroup. Half of the total samples were subjected to shear bond strength using a Universal testing machine and another half was subjected to microhardness testing using Vickers microhardness testing machine. Inter-subgroup comparison among enamel and dentin samples for microhardness and shear bond strength was carried out using one-way ANOVA and post hoc Tukey's analysis. The level of significance was predetermined at ≤0.05. RESULTS: The groups with SDF+KI application showed an increase in the shear bond strength while improved microhardness of the enamel and dentin samples was observed. There was a statistically significant difference between the shear bond strength values and microhardness among the subgroups of enamel and dentin ( P < 0.05). CONCLUSION: The application of SDF+KI improved the shear bond strength of the resin composite and enhanced the microhardness of the enamel and dentin.
Authors: Surabhi Bhardwaj, Harsimran Kaur, Rishika Choudhary, Nishita Garg, Ramakrishna Yeluri, Garima Yeluri
Language: English
Subfield: Orthodontics
Field: Dentistry
Domain: Health Sciences
Open Access status: gold
Estimated APC paid: $150
OpenAlex ID: W4412408127