Other Research Randomised controlled trial ✓ Peer reviewed

Comparative Evaluation of the Effectiveness of At-Home Dental Bleaching Using Different Concentrations of Carbamide Peroxide for Different Time Intervals: A Randomized Clinical Trial.

Cureus · Kumari N, Kumar Mishra S, Andrabi SM, Rai A, Ganguly A, Agrawal C, Singh A · 2026-08-31

Researchers compared three at-home bleaching protocols using different carbamide peroxide concentrations and application times in 84 adults. Higher concentrations applied briefly whitened teeth faster initially with comparable final results and no significant sensitivity increase versus conventional lower-concentration, longer-duration treatment.

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