Table 1 Median (mean ± SD) of baseline and final change in a, b and L indices according to the material and solutions

CHX

−0.20^A,a (−0.23 ± 0.87)

−0.20^A,a (0.18 ± 0.99)

0.70^A,a (0.68 ± 0.09)

1.00^A,b (1.00 ± 0.06)

−0.40^A,a (−0.38 ± 0.12)

−0.50^A,b (0.53 ± 0.10)

Listerine®

−0.20^AB,a (−0.15 ± 0.14)

−0.20^A,a (−0.23 ± 0.9)

0.50^A,a (0.53 ± 0.20)

0.80^B,a (0.73 ± 0.27)

0.30^B,a (0.17 ± 0.27)

−0.20^B,a (−0.23 ± 0.89)

Distilled water

0.00^B,a (−0.67 ± 0.10)

0.00^B,a (−0.14 ± 0.12)

0.00^B,a (−0.33 ± 0.15)

0.0^C,a (−0.06 ± 0.14)

0.00^B,a (0.08 ± 0.37)

−0.10^C,a (−0.6 ± 0.11)