It's a fact of life that teeth lose their pristine whiteness with the passage of time, even more so if you're a smoker, or drink lots of tea, coffee, or cola drinks. Improving the whiteness of teeth is a great confidence booster, giving you a younger appearance immediately. You might want a whiter smile for a special event, such as a birthday party or wedding, or to feel better about yourself before an important job interview. It's possible to whiten teeth at home, using whitening pens or strips, but for the best and longest lasting result, it's better to use a reputable cosmetic dentist. Many dental surgeries in Leeds offer teeth whitening programmes and the range of great value offers on Groupon can help reduce the costs of the procedures.