63
Participants
Start Date
January 18, 2017
Primary Completion Date
July 2, 2017
Study Completion Date
August 24, 2017
in-office bleaching with the conventional whitening dentifrice
Participants will receive in-office tooth bleaching with 40% hydrogen peroxide (Opalescence Boost PF 40%) for the maxillary anterior teeth (2 sessions, with a 1-week interval). During the tooth bleaching procedure and 3 weeks after the procedure, the participants will be instructed to brush their teeth twice with the conventional whitening dentifrice.
in-office bleaching with the whitening dentifrice containing blue covarine
Participants will receive in-office tooth bleaching with 40% hydrogen peroxide (Opalescence Boost PF 40%) for the maxillary anterior teeth (2 sessions, with a 1-week interval). During the tooth bleaching procedure and 3 weeks after the procedure, the participants will be instructed to brush their teeth twice with the whitening dentifrice containing blue covarine.
in-office bleaching with the regular dentifrice
Participants will receive in-office tooth bleaching with 40% hydrogen peroxide (Opalescence Boost PF 40%) for the maxillary anterior teeth (2 sessions, with a 1-week interval). During the tooth bleaching procedure and 3 weeks after the procedure, the participants will be instructed to brush their teeth twice with the regular dentifrice.
Fujian Medical University, Fuzhou
Fujian Medical University
OTHER