Is fluoride tooth paste really fatal ?!!

video content
1.what is fluoride
2.how fluoride and its effect on teeth was discovered
3.when fluoride was added to tooth paste
4.how was tooth paste in the past
5.how was tooth caries dangerous in the past
6.optimum fluoride amounts
7.effect of fluoride on teeth and bones
8.effect of fluoride on thyroid gland
9.fluoride concentration in tooth pastes
10.how to use fluoride safely
11.sluoride substitutes
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