Table 4: Mean values of color change inferior arch in each intervention.

- Groups - - -
Periods 1 2 3 4
Baseline 7.36+/-2.15 7.14+/-3.04 7.59+/-2.76 5.57+/-2.84
After at-office session 5.15+/-2.27 4.05+/-2.67 5.00+/-3.5 4.48+/-3.82
After at-home session 4.64+/-2.57 4.14+/-2.45 4.12+/-1.93 3.62+/-2.52
After final at-office session 2.54+/-1.53 2.19+/-1.40 3.00+/-2.78 2.33+/-1.85