Absolutely, but: You would need to start with clean an fairly white teeth to begin with. Teeth whitening (for teeth that can be whitened and are without fillings) depends primarily on 2 things: concentration of the whitening agent ; the amount of time that whitener is contacting the teeth. Overnight with a 10% to 16% carbamide peroxide gel works well, usually with minimal sensitivity.
Answered 12/5/2013
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