How to use hydroxyapatite toothpaste correctly
A practical routine for hydroxyapatite toothpaste—how much to use, how long to brush, whether to rinse, and habits that help remineralising pastes stay on the tooth surface longer.
Category
Basics
Clear introductions to hydroxyapatite and how it fits into oral care.
The Japanese history of hydroxyapatite toothpaste
From a NASA crystal-growth patent to Sangi’s Apadent (1980) and Apagard (1985), through Japan’s 1993 anti-caries recognition — a sourced timeline without the marketing lore.
What is hydroxyapatite?
Hydroxyapatite is the mineral that makes up most of tooth enamel. A clear primer on what it is, how it differs from biological apatite, and why it appears in toothpaste.
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