Dwita angesti and Priyawan rachmadi and Anita Yuliati (2020) Effect of Home Bleaching Agents on The Surface Hardness Of Flowable Bulk Fill Resin Composite. International Journal of Pharmaceutical Research, 12 (4). pp. 1452-1457. ISSN 0975-2366

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Abstract

Composite resins have disadvantages such as low hardness level, shrinkage, and micro-leakage. In the case of deep cavity restorations, bulk-fill composite resins have begun to be used because they facilitate the restoration work and make the restoration time shorter. Purpose: This study was used to determine whether home bleaching treatment using hydrograph peroxide and carbamide peroxide can reduce the surface hardness of flowable bulk-fill composite resins. Methods: The research sample is cylindrical with a diameter of 5 mm and a height of 2 mm, this study was divided into 3 groups. Then each group was measured by Vickers Hardness Tester. Results: In the One Way Anova test the value of p = 0.020 was obtained. This indicates a significant difference in the surface hardness of bulk-fill flowable composite resins and a Post hoc test - Tukey HSD must be performed. Conclusion: The results show that hydrogen peroxide home bleaching agent can significantly reduce the surface hardness of bulk-fill flowable composite resins

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