No. Express Whitening gel is the same whitener used in dental offices, and the custom tray is the same as well. Your dentist can whiten your teeth faster with in-office laser whitening. However, studies have shown that except in cases of severely dark teeth, the end results of laser whitening are the same as tray whitening. NOTE: With tray whitening you can easily do simple touch-ups in the future if needed. With laser whitening, you have to go back to the dentist and pay to have the procedure repeated.
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