Int. J. Environ. Res. Public Health 2011, 8(11), 4284-4299; doi:10.3390/ijerph8114284
Article

Association Between Socioeconomic Factors and the Choice of Dentifrice and Fluoride Intake by Children

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Received: 11 October 2011; in revised form: 7 November 2011 / Accepted: 8 November 2011 / Published: 10 November 2011
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract: It is questionable whether socioeconomic factors influence the choice of marketed children’s dentifrices and whether these products are associated with greater fluoride (F) intake in children. The present cross-sectional study involving 197 children (mean age: 40.98 ± 6.62 months) was carried out in Montes Claros, Brazil. Parents completed a questionnaire on socioeconomic status and the tooth brushing habits of their children. The children brushed their teeth and saliva residues were collected for F analysis. F intake from dentifrice was determined with an ion-specific electrode. Univariate analysis and logistic regression were used to test whether the type of dentifrice (children’s or family) and F dose (< 0.05 and ≥0.05 mg F/Kg of body weight/day) were associated with the independent variables (p < 0.05). No differences were found between children’s and family dentifrices regarding daily F intake (0.046 and 0.040 mg F/Kg/day, respectively; p = 0.513). The following were strong predictors for the use of a children’s dentifrice: studying at a private kindergarten (OR: 6.89; p < 0.001); age that the child begun to tooth brush < 2 years (OR: 2.93; p = 0.041), and the interaction between the variables “use of the same dentifrice as parents” and “type of tooth brush used” (OR: 27.20; p < 0.001). “The amount of dentifrice used” and “frequency of tooth brushing” (p ≤ 0.004) had a statistically and synergistic effect over the daily F dose. The present study found a social influence over the choice of dentifrice: children with a high socioeconomic status tend to use a children’s dentifrice. The amount of dentifrice used can strongly increase the risk of exposure to higher doses of F, regardless of the type of dentifrice.
Keywords: children; dentifrice; fluoride; dental fluorosis; socioeconomic factors
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MDPI and ACS Style

Martins, C.C.; Oliveira, M.J.; Pordeus, I.A.; Cury, J.A.; Paiva, S.M. Association Between Socioeconomic Factors and the Choice of Dentifrice and Fluoride Intake by Children. Int. J. Environ. Res. Public Health 2011, 8, 4284-4299.

AMA Style

Martins CC, Oliveira MJ, Pordeus IA, Cury JA, Paiva SM. Association Between Socioeconomic Factors and the Choice of Dentifrice and Fluoride Intake by Children. International Journal of Environmental Research and Public Health. 2011; 8(11):4284-4299.

Chicago/Turabian Style

Martins, Carolina Castro; Oliveira, Maria José; Pordeus, Isabela Almeida; Cury, Jaime Aparecido; Paiva, Saul Martins. 2011. "Association Between Socioeconomic Factors and the Choice of Dentifrice and Fluoride Intake by Children." Int. J. Environ. Res. Public Health 8, no. 11: 4284-4299.

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