U.S., March 19 -- ClinicalTrials.gov registry received information related to the study (NCT06881654) titled '16% Carbamide Peroxide Home Bleaching: Soft Vs. Rigid Tray in a Randomized Blinded Equivalence Trial' on March 11.

Brief Summary: The aim of this clinical study is to evaluate patient satisfaction, bleaching efficacy, and the risk and severity of tooth sensitivity and gingival irritation during home bleaching with 16% carbamide peroxide using conventional (soft) trays or rigid trays. A total of 100 patients will be selected to undergo home bleaching with either soft or rigid trays (n=50). Bleaching will be performed with 16% carbamide peroxide (Whiteness Perfect 16%, FGM, Joinville, SC, Brazil) for 2 hours daily for 3 weeks (21 day...