310-208-3125 If you are searching for ways to improve the appearance of your teeth, our dentist may recommend KöR® take-home teeth whitening. This whitening treatment allows you to brighten your smile on your own schedule and in the comfort of your own home. Call Swiss Quality Smile today at 310-208-3125 to learn more about KöR take-home teeth whitening in Los Angeles, California, and make your appointment with Dr. Ilona Casellini.