Investigation of the Effect of Whitening Mouthwashes on the Translucency of Resin Composites at Different Times

Abstract

The aim of this study is to evaluate the effect of whitening mouthwashes on the translucency parameter (TP) at different times of resin composites after coloring with coffee. A total of 90 samples were prepared from resin materials (Estelite Σ Quick, G-aenial Anterior, Omnichroma). After being kept in coffee for 12 days, the samples were divided into three subgroups (n = 10). The initial (T0) measurement of the TP values was recorded. Control groups were kept in distilled water, and the other groups were kept in two different types of mouthwash (Listerine Advanced White and Crest 3D White). The TP values were recorded at the end of 24 h (T1) and 72 h (T2). The TP values were determined using the CIEDE2000 formula. Two-way analysis of variance and the Tukey test were used (p < 0.05). The lowest ΔTP value was observed in the control group at T0–T1 and T0–T2. The highest ΔTP value was observed with Crest 3D White mouthwash at T0–T2. However, there was no difference with Listerine Advanced White. Among the composites, the highest ΔTP value was found in G-aenial Anterior at T0–T2, and the lowest ΔTP value was found in Omnichroma at T0–T1. Whitening mouthwashes caused an increase in the translucency values of resin composites over time. It should be noted that long-term use of whitening mouthwashes may affect the translucency values of resin composites.

Keywords

• discoloration
• translucency parameter
• resin composite
• whitening mouthwash