Findings

What do systematic reviews say?

2 questions · 2 findings · 1 reviews · Oral Health

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No studies found 0 · 0%GRADE not reported 2 · 100%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Daily fluoride intake from toothpaste vs Child age (across age groups)

Association between age and daily fluoride intake from toothpaste · Children using fluoride toothpaste (all tap-water fluoride categories)

There was no correlation between daily fluoride intake from toothpaste and the age of children (all R2 < 0.14), across all tap-water fluoride categories (ungraded).

1 finding from 1 review

Fluoride Intake Through Dental Care Products: A Systematic Review. 2022 All outcomes
Multiple countries (28 studies; ~43% conducted in Brazil); community/general-population settings · All tap-water fluoride categories; Levy et al. [20,22,24] data excluded
R2 (coefficient of determination) <0.14
Studies not reported
GRADE not reported

Total daily fluoride intake (TDFI) and daily fluoride intake from toothpaste

Correlation between daily urinary fluoride excretion (DUFE) and fluoride intake · Children and adults with 24-h urinary fluoride monitoring (9 studies reporting both intake and urine; Table 2)

Daily urinary fluoride excretion was not correlated with total daily fluoride intake or with fluoride intake from toothpaste (R2 < 0.07), based on nine studies (ungraded).

1 finding from 1 review

Fluoride Intake Through Dental Care Products: A Systematic Review. 2022 All outcomes
24-h urine collection · Multiple countries (28 studies; ~43% conducted in Brazil); community/general-population settings · High-fluoride-area data from Idowu et al. [46,47] excluded
R2 (coefficient of determination) <0.07
9 studies
GRADE not reported