I thought I had white teeth until I went to the Warriors game with a good friend and saw our picture side by side.  Then I realized how yellow my teeth had become over the years.  And I'm not a coffee drinker or a smoker.  I immediately called my dentist (Dr. Choy in Redwood City) and scheduled an appointment to do their whitening treatment.  I had read a lot of reviews on Zoom but my dentist...