If there was a minus rating, I'd be giving it! I bought a Groupon coupon for a $643 teeth whitening. I paid $69 for it. A young woman applied bleach to my teeth. 30 minutes later, she told me I was all done. There was absolutely NO CHANGE in my teeth. In fact my wife said that my side teeth (untouched) were whiter than my front teeth that were ""bleached""!
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