Tooth whitening lightens teeth and helps to remove   extrinsic   stains and discoloration. Whitening is among the most popular cosmetic dental procedures because it can greatly improve how your teeth look. Most dentists perform tooth whitening.

Several factors can contribute to the darkening of teeth, including the effects of age, certain foods and drinks, smoking, and medications.   

 Tooth whitening is most effective on surface (extrinsic) stains. 

Whitening is not a one-time procedure. It will need to be repeated from time to time if you want to maintain the brighter color.

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