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How do dentists treat discolored teeth?

Dentists use different tooth discoloration treatments depending on the underlying cause and whether the stains affect the outer or inner layers of your teeth.

Teeth whitening

Dentists may offer in-office or at-home professional teeth whitening treatments. These methods use hydrogen peroxide or carbamide peroxide to break up 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.

In-office bleaching takes about one hour to complete. Most take-home whitening treatments require 30- to 60-minute daily treatments for up to six weeks. There are pros and cons to each. Ask your dentist which option is right for you.

Dental bonding

Your dentist may recommend dental bonding if you have deep tooth discoloration that doesn’t improve with whitening. They’ll apply tooth-colored composite resin to hide discolored teeth.

You’ll probably need touch-ups every five to seven years. Dental bonding might not be the best option if you have several discolored teeth.

Porcelain veneers

You may want to consider porcelain veneers if you have widespread tooth discoloration that doesn’t improve with whitening. These tooth-colored ceramic shells are thin, yet strong. A dentist permanently glues them to the front surfaces of your teeth to camouflage discoloration.

A dentist may have to replace porcelain veneers every five to 15 years. Veneers aren’t reversible.

Dental crowns

Your dentist may recommend dental crowns if you have weakened or decayed teeth in addition to discoloration.

A crown is a tooth-shaped cap that fits over your tooth, protecting it from further damage. Dental crowns help improve the health, function and appearance of your teeth.

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How can I fix discolored teeth at home?

You can find over-the-counter (OTC) teeth whitening treatments in any oral health aisle. These products include rinses, pastes, strips and do-it-yourself bleaching trays.

Some over-the-counter products are safe and effective. But others can damage your enamel and make your teeth more vulnerable to cavities and erosion. That’s why it’s important to talk to your dentist before making a purchase.

In general, ingredients to avoid include:

Activated charcoal

Citric acid

When shopping for teeth whitening products, look for the ADA Seal of Acceptance. This means that experts have tested them and deemed them safe for use.

Can I prevent this?

You can’t prevent all causes of tooth discoloration. But there are things you can do to reduce your risk of everyday surface discoloration:

Brush and floss. Floss daily and brush your teeth at least two times a day for at least two minutes each time. Use a soft-bristled brush and ADA-approved fluoride toothpaste.

Limit drinks that cause stains. Reduce how much tea, coffee, cola and red wine you drink.

Use water to hydrate and rinse. Drink lots of water and rinse your mouth after drinking beverages that can stain your teeth.

Wait before brushing after eating acidic foods. Give yourself an hour before brushing after consuming citrus, soda and candy. Brushing can press the acid into your enamel, softening it. Waiting gives your saliva time to rinse the acid away.

Quit smoking. Your healthcare provider can recommend ways to stop smoking.

Visit your dentist regularly. Don’t skip routine cleanings and exams.