BLEACHING EFFECTS AFTER THE REPEATED APPLICATION OF 2.5% CITRUS RETICULATA BLANCO PEEL EXTRACT GEL

M. Wisnu Subrata P; Merryca Bellinda; Martha Morzartha

Authors

M. Wisnu Subrata P Universitas Sriwijaya Author
Merryca Bellinda Dr. Mohammad Hoesin Government Hospital Author
Martha Morzartha Universitas Sriwijaya Author

Keywords:

tangerine peel extract, teeth whitening degree, tooth bleaching

Abstract

Tooth with discoloration can undergo bleaching to restore their natural white color. Previous research revealed that the repetition of hydrogen peroxide application enhances the effectiveness of teeth whitening, but the use of this substance may lead to side effects. A 2.5% tangerine peel extract gel is known to have the potential as a teeth-whitening material, but the impact of repeated application of the gel on teeth whitening effectiveness is yet to be determined. Objective: To determine the effect of repeated application of 2.5% tangerine peel extract gel on the degree of teeth whitening. Material and method: Experimental research involved 24 premolar teeth with a C4 shade, divided into four groups: Treatment Groups A and B were applied with 2.5% tangerine peel extract gel, while positive control Groups C and D were treated with 40% hydrogen peroxide. The application was repeated twice in Groups B and D. Tooth color was measured before and after the application of the bleaching material using colorimeter, and the resulting ∆L*, ∆a*, ∆b*, and ∆Eab* values underwent statistical analysis using One-Way ANOVA and Post Hoc LSD tests. Results: No significant difference was observed in ∆a* and ∆b* values among all groups. The group subjected to repeated bleaching applications exhibited significantly higher brightness (∆L*) and total color change values (∆Eab*) compared to the other groups. Conclusion: The repeated application of 2.5% tangerine peel extract gel enhance the degree of teeth whitening. However, it has not reached the same degree achieved with the application of 40% hydrogen peroxide.

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