Effect of Polishing Systems on the Color and Surface Properties of Resin Composites in the Process of Accelerated Artificial Aging

Authors : Muhammet FİDAN, Zeynep DERELİ

Pages : 702-710

Doi:10.33808/clinexphealthsci.1014098

View : 22 | Download : 11

Publication Date : 2022-09-28

Article Type : Research Paper

Abstract :Objective: This study aimed to investigate the effects of polishing system on the color stability, surface roughness, and hardness of resin composites in the presence and absence of accelerated artificial aging insert ignore into journalissuearticles values(AAA);. Methods: Six resin composites insert ignore into journalissuearticles values(Universal Restorative 200, G-Aenial Anterior, Ceram-X Duo, Admira, IPS Empress Direct, Clearfil Majesty Esthetic); were evaluated. Thirty disc-shaped samples were prepared for each composite group. Resin composite groups were divided into three subgroups: control insert ignore into journalissuearticles values(Mylar strip);, disc insert ignore into journalissuearticles values(Optidisc);, and rubber insert ignore into journalissuearticles values(Dimanto); insert ignore into journalissuearticles values(n=10);. Color change insert ignore into journalissuearticles values(ΔE00); was calculated using the CIEDE 2000 formula. Before and after AAA, the surface roughness insert ignore into journalissuearticles values(Ra, μm); and hardness insert ignore into journalissuearticles values(VHN); values were measured. Data were analysed using ANOVA, the Bonferroni test, and Pearson correlation insert ignore into journalissuearticles values(p<0.05);. Results: The Mylar strip group showed less color change than the polished groups. Universal Restorative 200 and IPS Empress Direct were associated with less discoloration than other resin composite groups. Before AAA, Mylar strips and Universal Restorative 200 were exhibited smoother values. There was no difference in the surface roughness between Dimanto-treated resin composites those associated with other materials before and after AAA insert ignore into journalissuearticles values(except Ceram-X Duo and Universal Restorative 200);. Universal Restorative 200 yielded higher hardness values than other composites insert ignore into journalissuearticles values(p<0.05);. The Mylar strips yielded lower VHN values than the polished groups, but there were no differences among the polishing systems. There was a significant, weak, and positive correlation between color and roughness change. Conclusion: Composite type, finishing/polishing, and AAA had statistically significant effect on surface roughness and hardness. The Optidisc group exhibited less coloration and smoother surfaces than the Dimanto group. Nanohybrid insert ignore into journalissuearticles values(IPS Empress Direct); and microhybrid insert ignore into journalissuearticles values(Universal Restorative 200); resin composites performed better than other resins in terms of color change and roughness. Polishing systems applied to resin composite materials increased hardness.
Keywords : Accelerated artificial aging, color change, polishing, surface properties