75
Participants
Start Date
January 5, 2024
Primary Completion Date
March 3, 2024
Study Completion Date
April 30, 2024
pregabalin gel
10% pregabalin gel (carbopol-based gel to which the drug has been added) for topical application to teeth before bleaching with hydrogen peroxide
gel with 5% potassium nitrate and 2% sodium fluoride
gel of 5% potassium nitrate and 2% sodium fluoride for topical application to teeth before bleaching with hydrogen peroxide
Placebo gel
placebo gel (carbopol-based gel 1%) for topical application to teeth before bleaching with hydrogen peroxide
Federal University of Pará School of Dentistry, Belém
Universidade Federal do Para
OTHER