Toothpastes containing abrasive and chemical whitening agents: efficacy in reducing extrinsic dental staining.
Cristina Neves Girao Salgado Soares; Flávia Lucisano Botelho do Amaral; Marcelo Ferraz Mesquita; Fabiana Mantovani Gomes França; Roberta Tarkany Basting; Cecília Pedroso Turssi · 2017 · PubMed
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract (excerpt)
This in vitro study evaluated the efficacy of toothpastes containing abrasive and chemical whitening agents in reducing the extrinsic discoloration of dental enamel. Sixty slabs of dentin from human teeth were sealed so that only the…
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Metadata source: OpenAlex