Title
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DOI
Article Type
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Fluoride Intake of Infants from Formula
1Private Practice, USA
2Department of Pediatric Dentistry, University of Texas School of Dentistry at Houston, Houston, USA
3Department of Pediatrics, University of Texas McGovern Medical School, Houston, USA
4Department of Restorative Dentistry & Prosthodontics, University of Texas School of Dentistry at Houston, Houston, USA
*Corresponding Author(s): Ryan L Quock E-mail: Ryan.Quock@uth.tmc.edu
Objective: This study aimed to assess fluoride intake in infants from formula reconstituted with water, with fluorosis risk in mind. Study Design: Data on water source, formula brand/type, volume of formula consumption and infant weight were collected for infants at two-, four-, six-, nine- and twelve-month pediatrician well child visits. Identified formula brands and water types were reconstituted and analyzed for fluoride concentration. Patient body mass and volume consumed/day were used to estimate fluoride intake from reconstituted formula. Descriptive statistics, one-way analysis of variance and chi-square tests were utilized. Results: All infants consumed formula reconstituted with minimally fluoridated water (0.0– 0.3 ppm). 4.4% of infants exceeded the recommended upper limit (UL) of 0.1mg/kg/day. Although mean daily fluoride consumption significantly differed among all groups, the proportion of infants at each visit milestone that exceeded daily fluoride intake of 0.1mg/kg/day was not statistically significantly different (p>0.05) for any age group. Predicted values calculated with optimally fluoridated water (0.7ppm) resulted in 36.8% of infants exceeding the UL. Conclusions: Optimally fluoridated water may increase fluorosis risk for patients younger than six months. Future investigation should include multiple sites and multi-year follow-up to assess actual fluorosis incidence.
Fluoride; Fluorosis; Formula; Infant formula
Claudia X Harriehausen,Fehmida Z Dosani,Brett T Chiquet,Michelle S Barratt,Ryan L Quock. Fluoride Intake of Infants from Formula. Journal of Clinical Pediatric Dentistry. 2019. 43(1);34-41.
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