Teeth Whitening Questions & Answers

A bleaching product is painted onto your teeth and then a light or laser is shone on them to activate the whitening. Laser whitening takes about an hour.

For 48 hours after professional teeth whitening, it's recommended that you avoid acidic, pigmented foods and beverages and stick to things that won't cause discoloration. This is commonly called the “White Diet”, a short-term diet consisting of white and light-colored foods and drinks.