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How to Achieve Natural Teeth Whitening with Baking Soda


Woman with a beautiful smile

A bright smile can be a true confidence booster. Unfortunately, professional whitening treatments can be expensive, and many over-the-counter products contain harsh chemicals. Luckily, there is a natural and affordable way to whiten your teeth at home using baking soda. Baking soda, also known as sodium bicarbonate, is a common household item that could be the secret to natural teeth whitening. It's mildly abrasive, which helps remove surface stains from your teeth. Plus, it's alkaline, which can help neutralize acids in your mouth that contribute to tooth decay.

How to Use Baking Soda as Natural Teeth Whitening: Step By-Step

Here are step-by-step instructions on how to use baking soda for natural teeth whitening:

Step 1: Gather Your Materials

You'll need:

  • Baking soda (make sure it's food-grade)
  • Water
  • A small bowl
  • A soft-bristled toothbrush

Some people like to add a drop of hydrogen peroxide for extra whitening power, but that’s optional.

Step 2: Make the Paste

Mix about a tablespoon of baking soda with just enough water to form a paste. It should be thick enough to stick to your toothbrush. If you're using hydrogen peroxide, you can substitute it for water.

Step 3: Apply and Brush

Dip your toothbrush into the paste and start brushing. Use gentle, circular motions and make sure to coat all of your teeth. Don't scrub too hard though, because baking soda is abrasive.

Step 4: Wait and Rinse

Let the paste sit on your teeth for about two minutes. Then, rinse thoroughly with water. Make sure to spit it all out - you don’t want to swallow baking soda.

How to Brush Your Teeth With Baking Soda

Brushing with baking soda is a bit different from using regular toothpaste. Here are some tips on brushing your teeth with baking soda:

  • Be gentle. Baking soda is more abrasive than toothpaste, so you don't need to apply much pressure.
  • Focus on stained areas. Pay extra attention to spots where you have noticeable discoloration.
  • Don't overdo it.Use this method no more than a couple times a week to avoid damaging your enamel.
  • Follow up with regular brushing.After rinsing out the baking soda, brush with your normal toothpaste to get that minty fresh feeling.

Keep in mind that baking soda doesn’t contain fluoride, so it’s not a replacement for your typical oral care routine. Try to think of it as a supplement to your usual brushing and flossing routine.

While baking soda can be effective to help whiten your teeth, it’s still important to maintain a healthy oral hygiene routine. You should brush twice daily with a fluoride toothpaste. Floss regularly, and don’t skip your dental check-ups. It’s also a good idea to eat a balanced diet that’s low in sugary and acidic foods.

Electric toothbrushes can be helpful to achieve a more thorough cleaning. If you’re worried about tooth sensitivity or have existing dental work, you should talk to your dentist before starting any whitening regimen, as they can provide you with personalized advice and suggest professional treatments if needed.

How Fast Does Baking Soda Whiten Teeth?

The results of using baking soda for teeth whitening vary from person to person. Some people notice a difference just after a few uses, while others notice a difference after a few weeks of consistent use. It depends on a few factors:

  • How stained your teeth were to begin with
  • What caused the stains (coffee, tea, smoking, etc.)
  • How often you use the baking soda treatment
  • Your overall oral hygiene habits

You can’t expect a miracle to happen overnight because natural teeth whitening is a gradual process. With regular use, you might notice a difference and see noticeable improvement within a month.

Another thing to keep in mind is that as a natural way to whiten teeth, baking soda works best on surface stains. For deeper discoloration, you might need to consider cosmetic dentistry.

Final Thoughts

Baking soda is a great form of natural teeth whitening because it’s affordable, readily available, and free of harsh chemicals.

Baking soda is a natural teeth whitening method that works for most - but could be too abrasive for people with sensitive gums. If you feel any pain or sensitivity, stop using it and give us a call.

Also, remember that good oral hygiene is the foundation for a white smile, so it’s important to keep up with your brushing and flossing routine.

If you have more severe tooth discoloration and are considering ADA-approved teeth whitening products or want to discuss professional teeth whitening treatments with your dentist, Smiles of Cary can help.

Schedule an appointment for professional teeth whitening.


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Smiles of Cary Family Dentistry

  • 1150 NW Maynard Rd,
    STE 120, Cary
    NC 27513
  • (919) 646-6538
  • Monday: 8am – 5pm Tuesday: 9am – 6pm Wednesday: 8am – 5pm Thursday: 9am – 5pm Friday: 8am – 1pm Saturday: Closed Sunday: Closed
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