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Evaluation of the precision in the dentifrice abrasivity measurements obtained by a radiotracer method

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Abstract

The radiotracer method was applied to evaluate the precision of themeasurements of abrasivity data obtained for dentifrice samples and for abrasiveagents (silica and calcium carbonate). This method consists of measuring 32P transferred to a dentifrice or abrasive slurry when an irradiated dentinis submitted to a brushing simulation. Results obtained for abrasivity indiceshad good precision with relative standard deviations lower than 11.8%. Comparisonsmade between our abrasivity index data with those obtained at the Oral HealthResearch Institute of Indiana University also showed a good agreement.

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Authors and Affiliations

  1. Supervisăo de Radioquimica, Instituto de Pesquisas Energéticas e Nucleares, Caixa Postal 11 049, CEP 05422-970, Săo Paulo, SP, Brazil

    I. M. C. Camargo, C. C. C. Zoppe, M. Saiki & M. B. A. Vasconcellos

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  1. I. M. C. Camargo
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  2. C. C. C. Zoppe
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  3. M. Saiki
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  4. M. B. A. Vasconcellos
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Correspondence to M. Saiki.

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Camargo, I., Zoppe, C., Saiki, M. et al. Evaluation of the precision in the dentifrice abrasivity measurements obtained by a radiotracer method. Journal of Radioanalytical and Nuclear Chemistry 249, 487–489 (2001). https://doi.org/10.1023/A:1013272115214

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  • DOI: https://doi.org/10.1023/A:1013272115214

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