This randomized, double-blind clinical trial aimed to evaluate the effect of an experimental gel containing 10% jambu extract (Acmella Oleracea) in reducing postoperative tooth sensitivity caused by bleaching with 35% hydrogen peroxide. The volunteers of this study were randomized into two different groups - GE (A. Oleracea extract at 10%) and GP (placebo). The dental elements of the GE received application of the experimental desensitizing gel on the buccal surfaces of the central incisors, lateral incisors, canines and upper and lower premolars, with a rubber cup in an active way, for 10 minutes. The GP group also received the application of a placebo gel (without active ingredient), under the same conditions described for the experimental gel. Subsequently, all groups underwent in-office bleaching treatment with 35% hydrogen peroxide.Post-bleaching sensitivity was collected through a form composed of the visual analogue scale (VAS). Color measurement was performed at two times: baseline (Ti) and one week after the 3rd bleaching session (Tf).
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Assessment of post bleaching sensitivity
Timeframe: 21 days