What are teeth whitening strips?

Food, beverages and medications can wreak havoc on the color of a person's teeth. For example, over time drinking coffee can cause a person's white teeth to become spotted with brown stains which results in an unattractive smile. Many people have heard the term teeth whitening strips but do not know exactly what they are. It should be understood upfront that they are an affordable method of whitening a person teeth.

Teeth whitening strips are made of polyethylene. Polyethylenes are thin, yet flexible pieces of quality plastic. This plastic is coated with either hydrogen peroxide or carbamide peroxide. These cleansing or bleaching agents are placed thinly on each strip. Just as bleach works to get the stains out of white clothes, these peroxides work to get the stains out of teeth. Teeth whitening strips contain one of two types of peroxides whose purpose is to effectively clean and whiten teeth.

Teeth whitening strips are purchased in the form of kits. Each kit contains strips for the upper teeth and strips for the lower teeth. Purchasers must understand that half of the kits on the market contain band-aid type of strips, while the others contain dissolving strips. The band aid type of strips are applied to the teeth just as a band aid is applied to a cut or wound. The strips are then worn for 7 to 14 days. After the time has expired the strip should be removed and properly thrown away. The other type is applied to the upper and lower teeth just as the band aid strips are. However, once they are applied they will eventually dissolve on the teeth. The entire process usually takes a couple of minutes.

The amount of time a person keeps a band aid type of strip on their teeth depends on the amount of peroxide on the strip. If there is only 10% peroxide on the strip, it should be enough to whiten the teeth within 7 days. If there is only 6% peroxide on the strip, it should whiten teeth within 14 days. Strips that will be worn for 14 days should be changed once throughout the day.

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