What is hardly safe according to this work is chronic exposure. From the above it is also clearly unnecessary. This is an out of control marketing scheme with dentists providing uninformed testimonials back in the day.

It needs to be shut down and public health needs to test teenagers and young adults for dental floride deficiency although it will likely be already dealt with by dentists. .

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Fluoride Officially Classified as a Neurotoxin in World's Most Prestigious Medical Journal

by Nick Meyer

http://nexusilluminati.blogspot.ca/2016/03/fluoride-officially-classified-as.html

The movement to remove industrial sodium fluoride from the world's water supply has been growing in recent years, with evidence coming out against the additive from several sources.

Now, a report from the world's oldest and most prestigious medical journal, The Lancet, has officially classified fluoride as a neurotoxin — in the same category as arsenic, lead and mercury.