Teeth whitening is an excellent way to get rid of yellow coloring and stains on the teeth. By means of teeth whitening you can restore your fresh young look. Most importantly, you can restore your confidence to smile a full smile. Coffee, tea and smoking are some of the factors that cause teeth staining. In addition, as we grow older our teeth darken. Likewise, there are some medications that with regular use may also cause discoloration of teeth. Happily, there are several methods for lightening teeth, and these methods work wonderfully!