Effectiveness of teeth whitening action in dental bleaching
an Integrative Review
DOI:
https://doi.org/10.35699/2178-1990.2022.37854Keywords:
Toothpastes, Tooth bleaching, Esthetics, dentalAbstract
Aim: To evaluate the effectiveness of dentifrices categorized as whitening in tooth whitening, through a survey of scientific evidence.
Methods: The Pubmed, Embase, Web of Science, and Scopus electronic databases were used to search for studies up to August 2021. Clinical studies that compared dentifrices mentioned as whitening with non-whitening dentifrices in the change of tooth color were also included. The keywords used in the search strategy were: “whiteningtoothpastes”, “whiteningdentifrice”, “toothpastes”, “dentifrice”, “color change”, “colorationanalysis”, and “toothbleaching”. Data were analyzed using a qualitative synthesis, detailing the main results of the included studies. After reading and selecting the articles, five articles were included in this integrative review.
Results: The most used widely toothpaste was Close Up White Now (n = 3). The most commonly used color methodology was spectrophotometry, while the predominant type of study was the randomized clinical trial, evaluating human dental enamel. Regarding the RDA (Relative Dentin Abrasitity), whitening toothpastes have an index between 60-100, sometimes higher than the 100, and are considered abrasive.
Conclusion: In the results of some of the included studies, whitening dentifrices did not have an intrinsic whitening effect; only the effect of removing extrinsic stains was observed.
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