128
Participants
Start Date
July 31, 2013
Primary Completion Date
December 31, 2013
Study Completion Date
December 31, 2014
Bleaching by peroxide carbamide 10%
bleaching were treated with 10% carbamide peroxide (CP) gel (Whiteness Perfect, FGM) to each subject With verbal instructions for 3 weeks with daily applications of 1 hour according to manufacturers indications
Nothing - control group
Only NEO-FFI test , data used as control
University of Chile
OTHER