Efficacy of MI Paste® on Bleaching-Related Sensitivity: Randomized Clinical Trial

Table 3

Lightness scores at baseline, Time 1, and Time 2 for treatment and control arches.

Time	Baseline		Time 1		Time 2
Measures	Treatment	Control	Treatment	Control	Treatment	Control
Mean	71.99	72.13	75.89	76.13	74.78	74.91
Std. dev	2.67	2.60	3.42	3.35	3.11	3.13
value	0.690		0.752		0.853