People want whiter teeth, surveys show, and the American Dental Association (ADA) has some advice on how to accomplish that.
because of intense color pigments called chromogens that attach to the enamel on the tooth's exterior, the ADA said in a news release.
Below a tooth's hard, white outer shell is dentin, which is softer. The enamel gets thinner with brushing and the dentin can show through as you age. A tooth can also change color because it's been injured and creates a thicker layer of dentin.in utero or as a baby may have discoloration of their teeth as an adult. Chemotherapy and head and neckTeeth can be whitened using products that contain hydrogen peroxide or carbamide peroxide.
In-office bleaching requires only one office visit. The dentist uses a protective gel or rubber shield to protect your gums, then applies bleach to the teeth.
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