Question · asked by 1 review

Total daily fluoride intake (TDFI) and daily fluoride intake from toothpaste: Correlation between daily urinary fluoride excretion (DUFE) and fluoride intake

Population
Children and adults with 24-h urinary fluoride monitoring (9 studies reporting both intake and urine; Table 2)
Intervention
Total daily fluoride intake (TDFI) and daily fluoride intake from toothpaste
Comparison
Not specified
Outcome
Correlation between daily urinary fluoride excretion (DUFE) and fluoride intake

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).

What each review found

Current versions only
FindingEffectStudiesGRADE certainty
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) · 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
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).
Fluoride Intake Through Dental Care Products: A Systematic Review. (2022) All outcomes
R2 (coefficient of determination) <0.079 studiesGRADE not reported

Findings are shown side by side, never pooled across reviews.

The reviews

ReviewSearched up toIncluded studiesAMSTAR 2
Fluoride Intake Through Dental Care Products: A Systematic Review.
2022 All outcomes
Not specified28Not applicable
How reviews are matched to this question

Reviews word the same question differently. Four decision models (TypeSafe's Jev, Liquid AI's d1-ultra, SubQ Snap and Baseten's Elephant) judged each wording of the population, intervention, comparator and outcome against the others; two wordings count as the same when at least three of them agree and none clearly disagrees, and findings count as this question only when all four elements match. Timing, setting and subgroup never split a question: they are shown on each finding.