How can I whiten my teeth?

How can I whiten my teeth other than using white strips or getting them bleached by a dentist? I already brush them twice a day
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Lot of people do face problems with yellow teeth. The reason for yellow teeth can be less calcium, smoking or coffee. Some people face problems like yellow to faint yellow teeth also because of too much brushing or using products which harm teeth. While baking soda or peroxide can make your teeth white but it is not recommended. Dentists world over do not recommend use of such pure form substances on teeth as they harm your teeth in longer run. Not all whitening trays are good, in fact many people have complained about irritation and pain with trays. Lot of people want white teeth so that they can smile big and don't get embarrassed while talking to friends and colleagues. Such people can use teeth whitening pens which are 100% safe for your teeth. The best thing about these products is that you can easily get FREE trial to have white teeth. You may order your free trials and have white teeth. You just have to pay for the shipping and handling. Its always better to try before you buy and I am sure it will work for everyone including you. You can get Free samples online by searching....Here is the link http://search.yahoo.com/search;_ylt=A0oG…
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