The majority of the people needs to whiten the teeth, you do not only feel before the fight against the yellowish teeth or stained because this he is one of the problems more frequent than they appear by the bad nutritional habits or vices like the cigarette, that besides harming the health to us in this way does damage in our teeth leaving them yellowish and with spots and, all at some time of our life we needed to know like whitening the teeth because although all we have learned that stop to whiten the teeth is necessary a good one cepillado after each food and we adopt although it like habit, foods like the coffee, the wine and the drinks tails sooner or later will end up staining our teeth, simply because the truth is nobody that abroad is after to behind schedule pass with friendly in a bar taking a coffee or a soda water remembers wash the teeth and is then when the components of these drinks begin their work staining our teeth. There are many products, good, regular and bad. In recent months, Bausch & Lomb has been very successful. A Web site with a listing of the best launderers dental that I found it was seemed to me a good resource to be able to see the variety and thus compare the prices. I hope that them this information has been useful..