Abstract
Objective(s): To evaluate the effect of tooth brushing and mouth rinsing after bleaching with 16% carbamide peroxide (16% CP) on the surface roughness and solubility of newer self-blending resin composite. Materials and Methods: About 70 specimens were fabricated with Estelite sigma-quick composite resin and subjected to bleaching using custom-tray with 16%CP gel for 6hours except 10 samples to serve as control group and divided into seven groups (n=10) as follows: group 1: no bleaching (control), group 2: 16% CP, group 3: brushing, group 4: brushing+Listerine mouth rinse, group 5: brushing +Colgate Plaxmouth rinse, group 6: Listerine, group 7: Colgate Plax. Electric tooth brushing was done using toothpaste slurry for 3min, immersed in mouth-rinse of respective groups for 1min and placed in artificial saliva for 24hrs. This was done for a total period of 21 days followed by surface roughness and solubility testing. Data were statistically analyzed using one-way ANOVA and post hoc Tuckey tests (p<0.05). Results: Group 4 (Brushing + Listerine) showed greater surface roughness and solubility followed by group 6 (Listerine). No significant difference was found between group1 with group3 and group 5. Conclusion (s): Along with brushing, Listerine mouth rinse has a determining effect on surface roughness and solubility of newer self-blending composite resin following bleaching with 16% Carbamide peroxide.
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