Fluoride Ingestion After Brushing with a Gel Containing a High Concentration of Fluoride |
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Authors: | Maria Borysewicz-Lewicka Justyna Opydo-Szymaczek Jadwiga Opydo |
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Institution: | (1) Department of Pediatric Dentistry, Poznan University of Medical Sciences, Bukowska 70, 60-812 Poznan, Poland;(2) Institute of Chemistry and Applied Electrochemistry, Technical University of Poznan, Piotrowo 3, 60-965 Poznan, Poland |
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Abstract: | The aim of the study was to evaluate the amount of fluoride remaining in the oral cavity of children after brushing with fluoride
gel (1.25% F). The study involved six groups of 7-year-old and six groups of 11-year-old children. The procedure was carried
out according to the manufacturer’s recommendations. Fluoride concentrations were determined using ion-selective fluoride
electrode. No statistically significant difference was found between the amount of fluorides that remained in the oral cavity
of younger and older age group (1.2 and 1.3 mg, respectively; p > 0.05). The amount of fluorides swallowed during the procedure in both age groups proves to be within acceptable limit,
as far as risk of acute poisoning symptoms is concerned. The individual daily fluoride exposure during the day of procedure
seems to be twice as high compared to average fluoride intake from diet and dentifrice, and it does not exceed Tolerable Upper
Intake Level for children more than 8. In younger children, it seems justifiable to reduce the amount of the preparation applied
on a toothbrush, especially when daily use of the gel is recommended. |
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Keywords: | Fluoride ingestion Fluoride gel application Amine fluoride gel Topical fluoride Toxicity of fluoride |
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