tag:blogger.com,1999:blog-8114648.post-73697826316212060682008-06-26T12:17:00.000-07:002008-06-26T12:17:00.000-07:00I brush once a day and the vast majority of liquid that I drink is dark brown. I have whitened my teeth in the past, but not anytime recently; the over-the-counter stuff only lasts for a few months anyway.Travishttp://www.blogger.com/profile/03941801658095627535noreply@blogger.com