Research Article

3D Surface Profile and Color Stability of Tooth Colored Filling Materials after Bleaching

Table 5

Median roughness number (Ra, nm) and interquartile range of the three tested composite resins after bleaching with home and in-office bleaching agent.

MaterialControl
Median (IqR)
20% CP
Median (IqR)
40% CP
Median (IqR)
value

Filtek Z350XT73.87 (13.73)71.73 (10.47)68.43 (14.25)0.537
Estelite Σ Quick77.86 (17.55)75.26 (11.76)74.87 (15.84)0.491
Ketac N10072.49 (10.31)72.85 (12.36)70.22 (13.79)0.635

Kruskal-Wallis test; value < 0.05 is significant; IqR: interquartile range; CP: carbamide peroxide.