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Estimated Fluoride Doses from Toothpastes Should be Based on Total Soluble Fluoride

Author

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  • Maria José L. Oliveira

    (Department of Paediatric Dentistry and Orthodontics, School of Dentistry, Universidade Estadual de Montes Claros (UNIMONTES), Campus Darcy Ribeiro, Vila Mauricéia, Montes Claros, MG 39410-089, Brazil)

  • Carolina C. Martins

    (Department of Paediatric Dentistry, School of Dentistry, Universidade Federal de Minas Gerais (UFMG), Avenida Antônio Carlos 6627, Belo Horizonte, MG 31270-901, Brazil)

  • Saul M. Paiva

    (Department of Paediatric Dentistry, School of Dentistry, Universidade Federal de Minas Gerais (UFMG), Avenida Antônio Carlos 6627, Belo Horizonte, MG 31270-901, Brazil)

  • Livia M. A. Tenuta

    (Department of Physiological Sciences, Piracicaba Dental School, University of Campinas (UNICAMP), Avenida Limeira 901, Piracicaba, SP 13414-903, Brazil)

  • Jaime A. Cury

    (Department of Physiological Sciences, Piracicaba Dental School, University of Campinas (UNICAMP), Avenida Limeira 901, Piracicaba, SP 13414-903, Brazil)

Abstract

The fluoride dose ingested by young children may be overestimated if based on levels of total fluoride (TF) rather than levels of bioavailable fluoride (total soluble fluoride—TSF) in toothpaste. The aim of the present study was to compare doses of fluoride intake based on TF and TSF. Fluoride intake in 158 Brazilian children aged three and four years was determined after tooth brushing with their usual toothpaste (either family toothpaste ( n = 80) or children’s toothpaste ( n = 78)). The estimated dose (mg F/day/Kg of body weight) of TF or TSF ingested was calculated from the chemical analysis of the toothpastes. Although the ingested dose of TF from the family toothpastes was higher than that from the children’s toothpastes (0.074 ± 0.007 and 0.039 ± 0.003 mg F/day/Kg, respectively; p < 0.05), no difference between types of toothpaste was found regarding the ingested dose based on TSF (0.039 ± 0.005 and 0.039 ± 0.005 mg F/day/Kg, respectively; p > 0.05). The fluoride dose ingested by children from toothpastes may be overestimated if based on the TF of the product. This finding suggests that the ingested dose should be calculated based on TSF. Dose of TSF ingested by children is similar whether family or children’s toothpaste is used.

Suggested Citation

  • Maria José L. Oliveira & Carolina C. Martins & Saul M. Paiva & Livia M. A. Tenuta & Jaime A. Cury, 2013. "Estimated Fluoride Doses from Toothpastes Should be Based on Total Soluble Fluoride," IJERPH, MDPI, vol. 10(11), pages 1-11, November.
    • Handle: RePEc:gam:jijerp:v:10:y:2013:i:11:p:5726-5736:d:30103
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    References listed on IDEAS

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    1. Carolina Castro Martins & Maria José Oliveira & Isabela Almeida Pordeus & Jaime Aparecido Cury & Saul Martins Paiva, 2011. "Association Between Socioeconomic Factors and the Choice of Dentifrice and Fluoride Intake by Children," IJERPH, MDPI, vol. 8(11), pages 1-16, November.
    2. Carolina C. Martins & Saul M. Paiva & Jaime A. Cury, 2011. "Effect of Discontinuation of Fluoride Intake from Water and Toothpaste on Urinary Excretion in Young Children," IJERPH, MDPI, vol. 8(6), pages 1-10, June.
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    Cited by:

    1. Justyna Opydo-Szymaczek & Tamara Pawlaczyk-Kamieńska & Maria Borysewicz-Lewicka, 2022. "Fluoride Intake and Salivary Fluoride Retention after Using High-Fluoride Toothpaste Followed by Post-Brushing Water Rinsing and Conventional (1400–1450 ppm) Fluoride Toothpastes Used without Rinsing," IJERPH, MDPI, vol. 19(20), pages 1-10, October.

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    1. Carolina Castro Martins & Maria José Oliveira & Isabela Almeida Pordeus & Jaime Aparecido Cury & Saul Martins Paiva, 2011. "Association Between Socioeconomic Factors and the Choice of Dentifrice and Fluoride Intake by Children," IJERPH, MDPI, vol. 8(11), pages 1-16, November.

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