Color Stability of Rhodium-Coated Archwire after Immersion in Mouthwashes

Table 3

Color difference between time intervals of immersion in the three mouthwashes.

Groups	Descriptive statistics				Time difference
	1 week		3 weeks
	Mean	S.D	Mean	S.D	t-test	value
D.W	0.474	0.089	0.494	0.074	−0.624	0.538
Biofresh	0.423	0.048	0.450	0.070	−1.146	0.263
Sidrazac	0.378	0.060	0.974	0.123	−15.742	0.001