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by crooked-v
2339 days ago
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Most toothpaste has about 1000 ppm of fluoride (0.1%), which isn't a "high level" - in fact, it means that one blob of it on a toothbrush has about the same fluoride content as a large glass of fluoridated water. "High level" in this case comes in with fluoride rinses or specialty toothpaste, which can have 5000+ or 10000+ ppm of flouride. |
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