The Science of Teeth Whitening | Smile Workshop Denton
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The Science of Teeth Whitening | Smile Workshop Denton

There are a number of different teeth whitening options on the market as of late. With more and more people becoming concerned with the appearance of their teeth, several brands have started producing readily available and relatively cheap at-home teeth whitening kits that you can buy in practically any drug store. One of the biggest teeth whitening myths is that these DIY kits work as well as the solutions offered by your dentist, but they simply do not. As your local dentist, Smile Workshop Denton will discuss the science behind professional teeth whitening.

Composition of Your Teeth

Did you know that your teeth are composed of a few different layers? The outer layer that we all see anytime someone smiles is called the enamel, while the lesser-known inner layer is called the dentin. These two work together to protect your teeth from any potentially harmful substances. The enamel on your teeth might look solid, but if you look at it under a microscope you can see it is actually formed by close-knit crystal structures called rods. While most stains will generally stay on the enamel layer, sometimes the molecules that cause stains can slip in between the rods and affect the dentin layer of your teeth.

How Teeth Whitening Works

Teeth whitening works by combining concentrated levels of hydrogen peroxide and carbamide peroxide into a solution that is expertly applied to your teeth with a number of different tools. This solution not only works to get the stains off the enamel layer, but also on the inner dentin layer of your teeth. This solution has the ability to slip in between the rods to reach the inner layer. Though it is not possible to scrub this layer, the solution creates a chemical reaction underneath the enamel, which removes any of the molecules that stain your teeth. These kinds of teeth whitening techniques are not possible with store bought kits.

The problem with several of the store bought teeth whitening kits and toothpastes is that they will generally only affect the outer layer of the tooth. Toothpastes that claim to whiten teeth are generally more abrasive and act as sandpaper on your teeth that scrub away the stains. While there are some teeth whitening kits that will also affect the inner layer, they are generally less effective than professional options. Results you see in minutes with a professional teeth whitening solution will take weeks to see with a store bought kit. This is due to the lower levels of hydrogen peroxide in the whitening solution. Want to learn more about teeth whitening? Give us a call or schedule an appointment today!

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