108
Participants
Start Date
April 1, 2016
Primary Completion Date
November 30, 2016
Study Completion Date
December 31, 2018
Combined Bleaching(2x20)
one clinical session with two applications of 35% hydrogen peroxide of 20 minutes each. 10% carbamide peroxide for two hours daily over the course of two weeks.
Combined Bleaching(2x20) with arginine
one clinical session with two applications of 35% hydrogen peroxide of 20 minutes each. 10% carbamide peroxide for two hours daily over the course of two weeks.
Combined Bleaching (1x20)
one clinical session with one application of 35% hydrogen peroxide of 20 minutes each. 10% carbamide peroxide for two hours daily over the course of two weeks.
Combined Bleaching(1x20) with arginine
one clinical session with one application of 35% hydrogen peroxide of 20 minutes each. 10% carbamide peroxide for two hours daily over the course of two weeks.
8% arginine and calcium carbonate
using during all the treatment.
Terezinha de Jesus Esteves Barata
OTHER