Have you guys used over the counter teeth whitening treatments?
Just wondering if the ones they sell at the stores work and if so, which brand(s) worked for you.
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Crest 3D strips work well, but do not fall asleep with them in... I did that by accident, swallowed one of the strips and woke up in such excruciating pain I had to crawl to the bathroom and puke. Just as heads up
Holy shit.