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

Maria José L. Oliveira, Carolina C. Martins, Saul M. Paiva, Livia M. A. Tenuta and Jaime A. Cury
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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

IJERPH, 2013, vol. 10, issue 11, 1-11

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.

Keywords: fluorides; dentifrices; toothpastes; dental fluorosis; fluorosis risk (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2013
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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