Unlike whitening toothpastes,which only remove surface stains to reveal the underlying whiteness of teeth, bleaching agents actually make teeth whiter.
The most common teeth bleaching agents are hydrogen peroxide and carbamide peroxide.
The effectiveness of teeth bleaching depends on the color of your teeth. Bleaching works best for yellow stains,while gray teeth, which can result from certain antibiotics, are much harder to whiten.People who have stains from smoking,red wine or coffee can get very good results with teeth whitening.
There are two different ways to get whiter teeth:dental (in-office) whitening, and using a home bleaching kit available through a dentist.
A dentist applies a whitening gel,containing a high concentration of hydrogen peroxide, to your teeth, which is then activated by a special blue high intensity light or laser,causing the gel to release the oxygen molecules.The laser merely activates the bleaching gel,it doesn’t actually penetrate the teeth.
The results depend on the shade of your teeth before bleaching.
While in-office teeth bleaching is the safest route to go, home teeth bleaching can be also...
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