Are there any procedures that need to be done before the whitening? Also, there are a lot of mixed reviews on the amount of pain associated with it... what is realistically expected? This may sound like a silly question, but my teeth are already pretty white but have recently yellowed a little... if I were to use Zoom would my teeth be TOO white? I don't want to look fake or like my mouth is glowing. Thanks
Erica D. asked on Nov 21, 2012
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Andy C. from Groupon replied on Nov 26, 2012