Fluoride & Remin Study ✓ Peer reviewed

Comparative assessment of the long-term effects of 5% sodium fluoride varnishes with and without tricalcium phosphate on enamel microhardness of primary teeth: An in vitro study.

Dental research journal · Zarchi MR, Paryab M, Baniebrahimi G, Kharazifard MJ · 2026-09-07

Researchers tested three fluoride varnishes on extracted primary molars through repeated remineralization-demineralization cycles. Parla varnish, which contained tricalcium phosphate, produced greater and more sustained enamel hardness increases than the other two varnishes tested.

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