Wait, Radioactive Toothpaste Was a Thing?

Vintage advertisement for Doramad radioactive toothpaste featuring a smiling woman and a tube labeled "radioaktive Zahnpasta," similar to the retro dental ads you might spot at a Newton MA dentist or dentists near Boston, promoting freshness in German text.

RADIATION AND THE harm it can do to humans wasn’t well understood in the early years after it was discovered. There were all kinds of exciting radioactive products for the public to buy, from radioactive water jugs to children’s toys to butter to…toothpaste. Thorium Toothpaste in 1920s Germany A hundred years ago, the German company Auergesellschaft produced Doramad, a toothpaste …

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The Fascinating History of Fluoride

Snow-covered red rock formations stand against a backdrop of mountains and a blue sky with scattered clouds, reminiscent of the serene landscapes often seen in waiting rooms of Newton MA dentists.

THE ONE INGREDIENT a tube of toothpaste must contain to earn the American Dental Association’s Seal of Acceptance is fluoride. (And, conversely, it must NOT contain sugar.) Fluoride is also added in trace amounts to drinking water to help keep our teeth healthy and strong. We’ve been relying on fluoride like this for decades, and the history of it is …

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