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Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.

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Intervention or exposure

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Review versions

1 questions in 1 reviews · intervention: Fluoride supplements · outcome domain: Periodontal/gingival

current versions

No studies 0 · 0%Ungraded 1 · 100%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Intervention categories, outcome domains and clusters are a proposed key pending human validation. Clear all filters

Question	Effect	Evidence	Status / GRADE
Fluoride supplements (tablets, drops, lozenges or chewing gums) vs Topical fluoride (fluoride rinse, varnish or toothpaste) Plaque and gingivitis scores · Children and adolescents (aged 16 years or less at baseline) · 24 months Fluoride supplements (tablets, drops, lozenges or chewing gums) for preventing dental caries in children (2011) · Cochrane	One study (Holm 1975): no difference between groups (fluoride supplements versus fluoride rinses) for mean plaque and gingivitis scores after 2 years. No summary estimate reported.	1 study	Ungraded