Effects of different polishing procedures on the color stability of recent resin composites.

Purpose: To evaluate different polishing methods' effects on the color stability of recent resin composites.

Methods: 160 samples for color stability evaluation and 40 samples for the degree of conversion evaluation were prepared with four different resin composites [Harmonize (H), Filtek Universal (F), Omnichroma (O), Essentia Universal (E)] and light cured. For color stability evaluation, samples prepared from each resin composite were divided into four groups: three polishing procedures and a control group.