10/22/2026
Dentists may offer in-office or at-home professional teeth whitening treatments. These methods use hydrogen peroxide or carbamide peroxide to break stains and lift them from your teeth. Professional whitening works best on surface (extrinsic) stains. But some whitening products can remove deep dental (intrinsic) stains, too.
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Tooth discoloration can turn pearly whites into yellowish, brown or even gray teeth. Causes range from tooth injuries to caffeinated drinks.