The Effect of Wet and Dry Finishing and Polishing on the Staining Susceptibility of Microfilled and Nanohybrid Composites
Journal of Dental School,
Vol. 43 No. 2 (2025),
30 April 2025
,
Page 52-58
https://doi.org/10.22037/jds.v43i2.45653
Abstract
Objective(s): Dental composites' color stability is a key element in aesthetic and restorative treatments. This study investigated the effect of dry and wet polishing and finishing on the staining susceptibility of nanohybrid and microfill composites. Methods: In this study, 48 composite samples (24 microfill, 24 nanohybrid) were prepared. Three subgroups (control (C), wet finishing and polishing (W), and dry finishing and polishing (D)) were established for each composite group. The color was observed before and after the samples were placed in the coffee solution for 48 hours and the color change was measured. Data was statistically analyzed by one-way ANOVA and Tukey's post hoc test at p<0.05. Results: In the microfill group, the color change in group C (5.16 ± 2.49) was significantly lower than in group D (13.79 ± 3.10) (p<0.001). The mean color change in group C was lower than in group W (8.15 ± 2.40), but this difference was not statistically significant (p=0.089). In the nanohybrid group, the color change of group C (5.90 ± 1.36) was significantly lower than the W (11.91 ± 2.7) and D (11.97 ± 2.21) groups (p < 0.001). The color change difference between subgroups D and W was not statistically significant (p=0.998). Conclusion: Composite surfaces cured under the Mylar strip without finishing and polishing exhibited the least color change in both types of composites. Wet finishing and polishing improved the color stability of microfill composites; however, in nanohybrid composites, dry and wet finishing were almost similar.
- Composite Resins
- Dental Polishing
- Tooth Discoloration
How to Cite
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