Groups | Color difference (ΔE) |
---|---|
 | Mean ± SD |
II (Artificially created WSLs) | 8.18a ± 0.43 |
III (ICON resin-treated WSLs) | 2.83c ± 0.23 |
IV (CPP-ACP-treated WSLs) | 3.84b ± 0.75 |
V (Universal adhesive resin-treated WSLs) | 4.23b ± 0.26 |
VI (CPP-ACP and universal adhesive resin-treated WSLs) | 2.35c ± 0.21 |