re: I tip my hat to the marketing efforts of Big Toothpaste

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In other countries, like Japan, they use toothpaste with HAP (Nano-hydroxyapatite) which effectively remineralizes teeth meaning that it actively repairs enamel and other cracks and weak spots. Naturally the FDA has not approved its use as an anti-cavity. You can find toothpaste with it on Amazon and some retail places. It's pretty pricey though

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I get these off of Amazon.


No idea if it works better or not but I generally figure the Japanese know what they’re doing