Carbamide peroxide contains hydrogen peroxide in a 1:3 ratio. This is why hydrogen peroxide is sold in brown rather than clear bottles at the store.
#Hydrogen peroxide teeth whitening professional#
This is more likely to be used at the dentist’s office where a dental professional brushes it on and cleans it off while the patient is in the office.īoth types of peroxide solutions break down, becoming water when exposed to light. Hydrogen peroxide breaks down faster and does most of its work in the first 30 to 60 minutes. Because it spends more time in contact with the teeth, it is often used in products that are worn overnight.
While many dentists don’t distinguish between the two terms, bleaching usually refers to the use of chemicals to change the shade of the tooth enamel, whereas whitening is simply removing surface stains caused by things like coffee or wine.īoth compounds are applied to the teeth by the dentist in the form of a gel, or worn at home in trays that fit over the teeth.Ĭarbamide peroxide’s oxidizing power releases in the first 2 hours, then it continues to work for up to 6 more hours. For this reason they are sometimes called bleaching agents rather than whitening agents. Hydrogen peroxide and carbamide peroxide both change the chemical composition of stains when they are applied to teeth. How Hydrogen and Carbamide Peroxide Teeth Whitening Differs While it has a slightly different chemical makeup, carbamide peroxide is also an oxidizing agent and works on stains in the same way that hydrogen peroxide does. In the case of teeth whitening, hydrogen peroxide brings about a chemical reaction that works at dissolving the stains on teeth.Ĭarbamide peroxide is a combination of hydrogen peroxide and another chemical compound called carbamide or urea. This means that it can cause a chemical reaction where the oxygen atoms lose electrons, altering the substance it is applied to. Adding hydrogen makes hydrogen peroxide, which is an oxidizing agent. How Peroxide Solutions Brighten TeethĪ peroxide is defined as any compound containing two oxygen atoms. Does one work better or last longer? Are they both safe? Although not exactly interchangeable, the differences between the two may not be as significant as one might think. Whether going to the dentist for teeth whitening or doing it at home, there might be confusion about choosing a whitener with hydrogen vs.
People may be less aware of carbamide peroxide, but it, too, can whiten teeth. In addition to its disinfectant properties, it is also a main ingredient in teeth whitening products.
Most people are familiar with hydrogen peroxide and might even have that familiar brown bottle in their medicine cabinet.
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