When you brush your teeth at bedtime, you think you're protecting your pearly whites from decay-causing bacteria. And you are, but not for the whole night. While most toothpastes contain fluoride, the cavity-fighting effects can disappear after two hours, according to researchers from Queen Mary University of London.
So imagine a toothpaste that releases fluoride over an 8- to 10-hour period--or the whole night. Not only would that protect your teeth from cavity-causing plaque but it would strengthen the enamel so it's less prone to wearing out. That way, your teeth wouldn't hurt every time you drink or eat something too hot (or too cold).
That toothpaste is available now, in the U.K., for about $7 a tube. British researchers have developed it, and hope that it will be available in drugstores, dental practices, and hospitals later on this year. In the meantime, go to the BioMin site to see where you can buy it.
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