How can one whiten their teeth without using harsh chemicals or expensive whiteners?

A few months of smoking has killed my teeth. I had perfect teeth until this, now they%26#039;re turning a slight yellow. Suggestions?

How can one whiten their teeth without using harsh chemicals or expensive whiteners?
First of all STOP SMOKING.


and second, rub baking powder on your teeth after brushing.
Reply:by brushing regularly......OR NOT SMOKING!
Reply:There is this new device where it takes light and helps whiten your teeth over time. I think you can buy it at Walmart or Goodies for $30.00 or less.



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