After you get your teeth whitening, you are probably wary of certain substances that could stain your teeth. It would be wise to stay away from foods and drinks that have stained your teeth before. Coffee, tea, red wine and curry are examples of foods that stain your teeth. Remember, anything that will stain a white t-shirt, will stain your teeth. Cigarettes will cause your teeth whitening to fade faster than if you were a non-smoker. In cases where using substances that stain teeth are kept to a minimal a teeth whitening can last up to a year! Sometimes, continuing to use products that stain your teeth can cause your teeth whitening to fade in as little as one month. Check with a dentist here in %cityOrState% for advice on how to care for your newly whitened teeth. Some people experience teeth sensitivity after a whitening. Check your local pharmacy for Sensodyne toothpaste...this can help!