In other words, 35% CP is equivalent to around 12% HP, 22% CP is equivalent to 7% HP and 16% CP is equivalent to 6% HP.īecause abuse or improper use of peroxide can have negative effects on the teeth, the European Commission limited the concentration of peroxide in cosmetic products in 2011. There is a 3:1 relationship between these. Since this type of whitening takes longer, it’s most suitable for home whitening treatment and perfect for touch-up pens and take-home kits. It was designed for over-the-counter teeth whitening products since hydrogen peroxide tends to have a short shelf-life, especially in higher concentrations.ĭuring the whitening process carbamide breaks down into hydrogen peroxide, but it takes about 30-60 minutes for that process to start. To make carbamide, a urea molecule is added to each hydrogen molecule to make the gel much more stable. In the United States and many other countries dentists offer whitening treatments with hydrogen peroxide concentrations of up to 40%.Ĭarbamide peroxide, also called urea peroxide, is made from hydrogen peroxide. When the pores of the enamel are open, teeth become more susceptible to dehydration and demineralization, which leads to tooth sensitivity. This process is excellent in terms of whitening effect, but it has a significant adverse effect - tooth sensitivity. When hydrogen peroxide decomposes, oxygen penetrates the enamel through these pores to reach the discolored molecules (residue from coffee, tobacco, foods, beverages, etc.) inside the tooth. Teeth have micro-fine pores, making the enamel a semi-permable layer. It breaks down into oxygen and water and it starts working right after applying it to the teeth, yielding dramatic results in less than an hour. When it comes to teeth whitening, hydrogen peroxide is the main and strongest active ingredient used by dentists worldwide. There are two types of peroxide-based teeth whitening gels: hydrogen peroxide (for chair-side use) and carbamide peroxide (for home use). This article aims at shedding some light on the significant differences between all the options and clearing up some common misunderstandings. Kunen recommend an at-home whitening kit to deliver a safe and effective amount of hydrogen peroxide to whiten your teeth, or pay your local dentist a visit for even better results.There are various methods and procedures (in-office bleaching, home kits, whitening strips, DIY remedies, etc.), but also different kinds of tooth whitening products available in the market. Most of the current methods can be split into two categories: those that use peroxide as the active ingredient and those that don’t. If you're looking for an at-home method to whiten your teeth, both Dr. "If used sparingly and according to the instructions of a given product and your provider, hydrogen peroxide is safe and effective to use for the whitening of our teeth." "Hydrogen peroxide is a potent chemical bleach and does have the capacity to leach calcium salts from our enamel if used too frequently or improperly," Heather Kunen, DDS, an orthodontist at Beam St says. While hydrogen peroxide is the main active ingredient of most teeth whitening products, it should only be used on teeth via certain delivery methods, like Dr. "Not only is it dangerous, there are no studies to show that it will actually work." "Rinsing with peroxide is NOT an FDA-approved whitening method," says Dr. Chris Salierno, DDS, chief dental officer at Tend agrees. "But it should only be used within a whitening strip or a tray." Dr. "As a teeth whitener, it works," he adds. In short, you can end up with red painful gums, or even death of the tissue inside your mouth. Mohiuddin says in a recent TikTok video in response to a video of another TikToker gargling with hydrogen peroxide straight from the bottle. "Hydrogen peroxide if used as a daily rinse can cause tissue necrosis and chronic inflammation of your gums," Dr. Suhail Mohiuddin, DDS, dentist and founder of Dentologie, absolutely not. Should you swish with hydrogen peroxide mouthwash for whiter teeth? According to Dr.
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