What does peroxide do to the teeth?

Whitening

Peroxide bleaches the teeth by oxidizing chromogens, the colored compounds that cause teeth to appear yellow or stained. The oxygen molecules in peroxide break down the chromogens into smaller, colorless molecules that are more easily removed from the teeth.

Antibacterial

Peroxide is also an antibacterial agent, which means that it can kill bacteria that cause cavities and gum disease. When used in toothpaste or mouthwash, peroxide can help to keep the teeth and gums healthy.

Enamel erosion

However, peroxide can also damage the teeth if it is used too often or in too high a concentration. Peroxide can erode the enamel, the hard outer layer of the teeth, and make them more susceptible to cavities. It can also cause the teeth to become sensitive to hot and cold foods and drinks.

Tooth sensitivity

Some people experience tooth sensitivity after using peroxide-containing products. This is usually a temporary side effect that goes away within a few days. However, if tooth sensitivity persists, it is important to see a dentist.

Overall

Peroxide can be an effective way to whiten the teeth and keep them healthy. However, it is important to use peroxide-containing products in moderation and to follow the instructions on the product label. If you have any concerns about using peroxide, talk to your dentist.