While teeth whitening services are available at many dentist offices, they can be expensive and time-consuming. Professional treatments typically cost over $200 and appointments can last 90 minutes or longer. Thankfully, many oral care brands offer more cost-effective, over-the-counter teeth whitening treatments you can use at home. Experts say they aren’t as strong as in-office treatments, but they can tackle minor discoloration if used correctly and consistently.

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