TABLE 1. Experimental and control groups used for the assays.

Groups	Trademark	Color	Reference number
T	TP Orthodontics	Natural	360-012
U1	Uniden	Natural	000-1204
U2	Uniden	Green	000-1206
U3	Uniden	Pink	000-1206
U4	Uniden	Yellow	000-1206
U5	Uniden	Red	000-1206
U6	Uniden	Purple	000-1206
Positive Control	Dental copper amalgam. Pratic NG 2. Vigodent
Negative Control	Stainless steel wire. American Orthodontics. 0.019″× 0.025″