A member asked:

Does whitening your teeth breaks down the enamels?

25 doctors weighed in across 19 answers
Dr. Gary Sandler answered

Specializes in Dentistry

Generally not, but..: With proper supervision and if not overused, no. Excessive concentrations or overuse can slightly damage the enamel surface. Just see a dentist to make sure your teeth are clean, free of cavities, and both your teeth and gums are healthy first. Then find out what methods are available to you and which one would be the best in your particular circumstances.

Answered 12/10/2013

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Dr. April Ziegele answered

Specializes in Cosmetic Dentistry

No: No, whitening does not do any damage to the teeth. Rather, it cleans out the microscopic tubules in your teeth that have collected stain over the years. Whitening is not a permanent fix, as the stain you've removed will come back over time, so it will be important to do occasional touch ups with your whitening! also, for the best long term results, avoid red wine, dark sodas, and coffee.

Answered 6/6/2013

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YES: The in office power whitening gels do 35%-45% hydrogen peroxide tells. Many studies have shown this repeatedly.

Answered 8/30/2013

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Dr. Jerry Hu answered

No, it does not: It just removes smear layer, dehydrates tooth and it is all reversible.

Answered 10/4/2016

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Dr. Felicia Mata answered

Specializes in Cosmetic Dentistry

Depending on: The condition of the teeth based on the integrity of enamel, percentage of carbamide peroxide, long term use, and more... See a dentist for proper evaluation.

Answered 2/7/2013

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No it doesn't : Whitening opens up the pores of the enamel so that we can bleach the second layer called the dentin. After whitening the enamel will feel rough. In a few days it will return to normal.

Answered 12/10/2013

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No: There is no evidence of enamel breakdown from the use of professional bleaching agents; however, some over the counter pastes have very high abrasives in them to help remove staining that over time may cause enamel erosion or breakdown.

Answered 10/23/2017

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Whitening is safe.: The enamel is like glass. Whitening teeth is like washing the coffee stains or berry stains off your teeth. When used as prescribed, the nightly whitening for a couple weeks or the professional one time visit in the office is fine. If overused, one might experience slight transitory temperature sensitivity or air sensitivity. This will also go away after a few days.

Answered 10/4/2016

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No!: Whitening gel will not break down the enamel but it can invade cracks in the enamel and come in contact with tiny nerve projections in the underlying dentine layer. This will cause the tooth to become sensitive.

Answered 2/10/2017

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Dr. Jeffrey Goldstein answered

Specializes in Cosmetic Dentistry

No. : Whitening has been around for about 30 years and is proven safe for the teeth. It will not break down enamel.

Answered 2/8/2013

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Yes: If done too often with very strong bleaching agent it can oxidize the enamel and irreversibly alter dental enamel.

Answered 1/13/2015

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Not generally: Usually the over the counter bleaching kits as well as most dental "in-office" procedures do not break down the enamel of the teeth. Any sensitivity is very short term and has more to do with the strength of the bleaching agent. I would recommend keeping away from the laser type bleaching systems.

Answered 10/4/2016

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No it doesn't.: Whitening is not for everybody, that is why it is important to have a doctor's supervision. Some people have teeth sensitivity, cavities, or have enamel defects that will worsen with whitening. You need to have a healthy mouth before bleaching. Over the counter products are good , but it is important to make sure you are eligible for it.

Answered 10/4/2016

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No: Teeth whitening does not breakdown the enamel of the teeth , it just makes is your look whiter and healthy?

Answered 10/4/2016

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Depends: Depends on gel concentration. In general in office power whitening gels can damage enamel.

Answered 2/22/2013

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Dr. Peter Flaherty answered

Specializes in Cosmetic Dentistry

No: Whitening gels are usually either hydrogen peroxide or carbimide peroxide or sometimes a combination of the two. None of them will break down enamel. Side effects are typically limited to tooth sensitivity and gingival irritation, both of which are temporary. Consult with your dentist first to make sure you are a candidate for tooth whitening.

Answered 3/13/2013

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Dr. Michael Dolby answered

Specializes in Cosmetic Surgery

No: The active ingredient is peroxide. All peroxide does is make your enamel rods inside your tooth clear, and your teeth appear white! this procedure does not hurt the enamel at all!

Answered 12/9/2013

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Dr. I. Jay Freedman answered

Specializes in Dentistry

No: All dental techniques for whitening teeth are basically the same and work in a silmilar manor. They are also safe and will not damage you're teeth's enamel. Go for it and get the white teeth!

Answered 7/28/2014

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Enamel Strong: there are many things we do to ourselves that can demineralize the surface of our enamel, but our teeth have the ability along with chemicals in our saliva remineralize the enamel. bleaching will have no more of a detrimental affect on the enamel than citrus fruit in most instances. fluoride rinses and toothpastes also help in the remineralization process. Whitening is safe when used properly.

Answered 7/28/2014

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