How can i whiten my teeth naturally?

I dont have the time to get my teeth whiten at a D.D.S. so at how is the way to go. any suggestions?
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I am a dentist, if you are looking for the best teeth whitening, check out this http://best-home-teeth-whitening.info You'll get a white and bright smile just in 1-2 days and it'll last for 6 months or longer.
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