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Preventive

409 - Fluoride Exposure Associated with Bottled Water Consumption

Saturday, May 23, 2026
2:45 PM - 3:00 PM PST
Has Audio

    Presenting Author(s)

  • Justin T. Quackenbush, DDS

    Pediatric Dentistry Resident
    University of Kentucky, Lexington, KY
    University of Kentucky
    lexington, Kentucky, United States

    • Co-Author(s)

  • Morgan M. Larkin, DMD

    Pediatric Dental Resident
    University of Kentucky
    Lexington, Kentucky, United States

  • Cristina Perez, DDS, MS

    Program Director
    University of Kentucky
    University of Kentucky
    Lexington, Kentucky, United States

  • DS

    Debora Scheffel, DDS

    Assistant Professor Division of Pediatric Dentisty
    University of Kentucky
    Lexington, Kentucky, United States

    • Research Mentor(s)

  • DS

    Debora Scheffel, DDS

    Assistant Professor Division of Pediatric Dentisty
    University of Kentucky
    Lexington, Kentucky, United States

    • Program Director(s)

  • Cristina Perez, DDS, MS

    Program Director
    University of Kentucky
    University of Kentucky
    Lexington, Kentucky, United States

Abstract:

Purpose: This study quantified bioavailable fluoride concentration and pH in bottled water brands and estimated fluoride intake relative to pediatric tolerable upper intake levels (ULs).

Methods: Thirteen bottled water products were analyzed in triplicate using an Orion ion-selective electrode after 1:1 dilution with TISAB II. A five-point calibration curve was generated, and the pH of each sample was recorded. The estimated daily intake (EDI) was calculated assuming a daily consumption volume of 32 oz (950 mL). The percentage contribution to UL was also calculated. Data was analyzed descriptively.

Results: Water pH ranged from 5.4(0.1)-10.2(0.3). Fluoride concentrations ranged from 0.00(0.0)–0.13(0.0) mg/L. EDI ranged from 0.00–0.12 mg/day, corresponding to 0–10% of the UL for children aged 1–3 years and 0-6% for children 4-8 years old.

Conclusions: Fluoride concentrations varied across bottled waters but produced minimal or low estimated exposure relative to pediatric ULs.

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