A member asked:

How long does it take for baking soda and peroxide to start working to whiten your teeth without a dentist?

6 doctors weighed in across 3 answers

Degrees: Teeth whiten by degrees. Consider taking a picture before you start, so with time you can see the progress.

Answered 12/20/2015

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Teeth whitening: Teeth whitening can be very safe and effective if done properly. See a dentist or use a commercial product like White Strips that are safe. Don't do it yourself. You can run into problems.

Answered 10/4/2015

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Dr. Paul Grin answered

Specializes in Pain Management

Takes time, if ever: Unfortunately, many of home whitening systems are ineffective and can actually damage your teeth if applied incorrectly. Professional tooth whitening from is always more safe, effective, predictable fast results and long lasting.

Answered 10/4/2015

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