We’ll provide you with detailed aftercare instructions following your teeth whitening treatment, but here are some tips to help you maintain your results. Avoid or cut down on your consumption of coffee, tea, red wine, and other foods and beverages that cause discoloration. If you do choose to have a food or drink that stains, brush your teeth afterwards if you can. When you can’t brush, rinse your mouth with water. Brush your teeth for two minutes twice a day and floss at least once a day. Use an at-home touch-up kit to whiten your smile every few months or when you notice stains beginning to form. See your dentist every six months for comprehensive oral evaluations and dental cleanings, which remove surface stains from the teeth. Quit smoking.