Stained tooth has take its toll to our everyday Stained tooth has taken its toll to our everyday life. Yellow stained teeth can affect the way we communicate even our appearances. However, human inventions the so called technology has giving these people opportunity to have their on confidence back. Teeth whitening are the topic and treatment to the yellow stained tooth. Every single day, new products just coming in the marketplace and compete with each other. The level of their effectiveness is one of the hot issues these people are talking about. How good are the products itself? Some say that they are better than the other. Consumers start to feel confuse and do not know which one is the best for them. Here in this website, it tells you all about teeth whitening you should know before getting your teeth whiter by several shades.