Help with Crest Whitestrips?

@calvin222 (1607)
India
May 26, 2007 2:11am CST
I have been doing whitestrips for a little bit now, but last night i put one on and started reading. I feel asleep with them on! In the morning i realized my mistake and took it off immediately. Did I ruin my teeth? And if I did, can I fix it?
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