CASE STUDY | Comparing the Ability of Whitening Products to Chemically Remove Intrinsic and Extrinsic Tooth Stain

Comparing the ability of whitening products containing bleaching agents to chemically whiten teeth can help benchmark new formulations and also to establish robust data for marketing claims.

In this case study we use compare teeth whitening products and their ability to whiten extracted human molars containing natural intrinsic and extrinsic stains. Our expert Gavin Thomas, Laboratory Director, describes the steps taken during these in vitro studies to evaluate the efficacy of whitening products containing bleaching agents.

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