Skip to main content

Table 1 Participants’ characteristics at baseline

From: The change of teeth color, whiteness variations and its psychosocial and self-perception effects when using low vs. high concentration bleaching gels: a one-year follow-up

Baseline features

Groups

HP 37.5%

HP 6%

Age (years; mean ± SD)

27 ± 7.5

Minimum age (years)

20

Maximum age (years)

54

Male (%)

52%

*L (mean ± SD)

84.41 ± 2.95

86.17 ± 2.81

*a (mean ± SD)

0.08 ± 1.06

0.15 ± 1.24

*b (mean ± SD)

27.96 ± 3.18

28.42 ± 3.68

Baseline Vita bleach SGU median (min:max)

9 (7:11)

9 (7:11)

Baseline Vita classical SGU median (min:max)

9 (9:12)

9 (9:12)

  1. SD Standard deviation