How does teeth whitening work?

How does teeth whitening work?

You probably have noticed your teeth becoming yellowish and wondered if teeth whitening would be a good idea. Teeth whitening procedure can brighten your teeth up to several shades. But not everyone gets the same result. Teeth whiteness can gradually decrease over time, just like with your natural teeth. If you consume staining foods and drinks, your teeth might be discolored again. But you can maintain your pearly white smile if you take good care of your oral hygiene. You can help prolong the lasting effects of in-office teeth whitening treatment and get the most out of the post-whitening touch-up kit given by your dentist. For this reason, our teeth whitening dentist has explained the procedure and addressed everything you need to know about it. Read on to find out how teeth whitening works.

What is teeth whitening?

Teeth whitening is a dental procedure that involves stain removal and lightening your teeth’ color. This procedure is performed when your smile appears yellowish due to staining.

How does teeth whitening work?

To understand teeth whitening, we need to discuss types of stains first. There are two types of stains: intrinsic and extrinsic stains. The former resides between the cracks in your enamel and within the dentist. In contrast, the latter type is present on your tooth’s surface. Brushing, flossing, and mouth rinses may help remove some extrinsic stains. However, persistent and hideous stains that stain your smile can only be removed by a teeth whitening treatment. Let’s look at the procedure step by step to learn about how it works.

Teeth whitening process – step by step

The procedure will start with your visit to the teeth whitening dentist. They will ensure that the process is best for you and you’re not affected by other dental procedures. Here’s what a typical teeth whitening procedure looks like in the office:

  1. For patients’ safety, they need to fill out a health declaration form containing their medical history before starting the procedure.
  2. Next, the dentist will polish and clean teeth to remove apparent extrinsic stains.
  3. After cleaning, the dentist will place a gum protector on your gums to prevent irritation or damage that can otherwise occur.
  4. After protecting the gums, your dentist will apply the gel containing hydrogen peroxide to your teeth and use a special blue light to speed up the whitening procedure and activate the bleaching agent.

The last step is repeated three times, and the entire treatment will likely take around 60-80 minutes.

Teeth Whitening After-Care

Once you have undergone a teeth whitening procedure, you should follow post-treatment aftercare to prolong its lasting effects – especially during the next couple of days. You should clean your teeth after consuming foods and drinks that contain pigments. If it’s acidic or sugary, wait for 30 minutes before cleaning the teeth. You should also avoid smoking for the next two days and perform a good oral hygiene regime. Although teeth whitening effects aren’t for a lifetime, visiting the dentist every six months can help maintain your pearly white smile.


You can get a pearly white smile from the teeth whitening dentist at Pearl Shine Dental. We can improve your smile’s outlook, and our expert dentists have multiple ways of doing so. The quickest and easiest method is to go for a teeth whitening procedure.

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