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Fluoride-coated dental floss

Dental floss coated with fluoride compounds to aid in oral health by delivering fluoride directly to interdental areas; fluoride is recognized by the FDA for cavity prevention in dental products. Materials used in floss base vary, typically nylon or PTFE.

Mineral or nutrientUpdated Feb 24, 2026
Health score+2.0
-5Good5

Water guidelines

Legal limit
Not specified
Health guideline
Not specified

Food and supplement guidelines

Legal limit
Not specified
Health guideline
Not specified

Risks

Potential ingestion risk of fluoride in excessive amounts, allergic reactions rare, environmental concerns about microplastics depending on floss base material

Benefits

Helps remove plaque between teeth, delivers fluoride locally to reduce dental caries, supports oral hygiene