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A comment on Show HN: I invented a caffeinated toothpaste. Parent comment

Re:Show HN: I invented a caffeinated toothpaste by nappy on Thursday September 15, 2016 @02:31PM (#12508563)
Getting too much fluoride is something that can occur as well: https://en.wikipedia.org/wiki/Dental_fluorosis
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Re:Show HN: I invented a caffeinated toothpaste by reportingsjr on Thursday September 15, 2016 @05:55PM (#12510167)
I am all too aware as I have mild fluorosis in some of my teeth! Although I think the biggest cause of this was semi regular fluoride rinses at the dentist when I was a kid.
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