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My son is 9.5 months and has 5 teeth so it was recommended that we start brushing his teeth with a fluoride toothpaste. I like that this one is kid-friendly, doesn't have too many bad chemicals and of course does have fluoride. For him, we only use a rice grain size amount. He doesn't seem to like the taste - the non-fluoride fruit toothpaste we got for practice he seemed to like better but this will actually be helpful to his teeth so it is what is recommended to use.