Does fluoride-free toothpaste actually work?
“Fluoride-free” is not one ingredient. Some HA pastes have clinical non-inferiority data; many natural pastes do not. How to judge a fluoride-free claim.
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Comparisons
How hydroxyapatite stacks up against fluoride and other actives.
Hydroxyapatite vs CPP-ACP, NovaMin, and xylitol
How hydroxyapatite compares with casein phosphopeptide–ACP, calcium sodium phosphosilicate (NovaMin), and xylitol—mechanisms and evidence, side by side.
Hydroxyapatite vs fluoride toothpaste
Fluoride has the larger evidence base. Hydroxyapatite shows promising non-inferiority data. Compare mechanisms, trials, regulation, and who might prefer which.
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