Teeth whitening (2024)

Teeth whitening (1)

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More and more people are paying for brighter, whiter teeth. But doesteeth whiteningwork andis it safe? Here are the answers to common questions aboutthe treatment.

What is teeth whitening?

Teeth whitening involves bleaching your teeth to make them lighter. It can't make your teeth brilliant white, but it can lighten the existing colour by several shades.

Who can do teeth whitening?

Teeth whitening is a form of dentistry and should only be carried out by a dentist or another regulated dental professional, such as a dental hygienist or dental therapist, on the prescription of a dentist.

Some beauty salons offer teeth whitening, but this is illegal if there's no dental professional present, and it may put your oral health at risk.

You can also buy DIY home teeth whitening kits but thesemay alsocarry risks.

What happens during teeth whitening?

If you have your teeth whitened you'llfirst need to make 2 to 3 visits to the dental surgery.

The dentist will take an impression of your teeth to make a mouthguard and tell you how to use it with a bleaching gel. Then, using your mouthguard at home, you regularly applythe gel fora specified period oftime over a few weeks. Some whitening gels can be left on for up to 8 hours at a time, which can shorten the treatment period.

Laser whitening, also known as power whitening, is another type of teeth whitening system that a dentist can provide. A bleaching product is painted onto your teeth and then a light or laser is shone on them to activate the whitening. Laser whitening takes about an hour.

Can any dentist whiten teeth?

Any dentist can whiten teeth as long as they're registered with the General Dental Council. Registered dental therapists and dental hygienists can also carry out teeth whitening on the prescription of a dentist.

To find out ifa dental professionalis registered you can check the online register on the General Dental Council website.

What abouthome kits and beauty salons for teeth whitening?

Only go to a registered dental professional for teeth whitening because whitening by people who aren't qualified, for example in beauty salons, is illegal.

Home kits also carry risks. Talk to your dentist first, before using a home kit.

What are the risks of home kits and salon teeth whitening?

Some home kits don't contain enough whitening product to be effective. Also, if a dental professional isn't doing the whitening, the mouthguard provided may not fit properly so some of the bleaching gel may leak out onto your gums and into your mouth, causing blistering and sensitivity.

Teeth whitening carried out in beauty salons by untrained staff or staff without dental qualifications puts your oral health at risk and is also illegal.

Will I pay for teeth whitening privately?

Teeth whitening by a dentist or other dental professional can generally only be done privately because it's considered to be a cosmetic treatment. Costs vary and laser whitening is more expensive than professional bleaching.

Find out which dental treatments are available on the NHS

How do I find out about getting my teeth whitened?

Your dentist will advise you whether whitening is right for you. It may be that teeth whitening isn't suitable, for example if you have gum disease or crowns.

Find a dentist near you

What should I ask the dentist before going ahead?

Don't be afraid to ask simple questions about the types of whitening treatment available, what results you can expect and how long they are likely to last.

You may also want to ask them whether there are any risks involved – for example, increasing the sensitivity of your teeth.

Try to talk to other people who've had the same treatment or visit another dentist for a second opinion until you feel confident. Always ask for a written treatment plan and price estimate before going ahead.

Is teeth whitening permanent?

Teeth whiteningisn't permanent. It can last from a few months toup to 3 years – it varies from person to person.

The whitening effect won't last as long if you smoke or drink red wine, tea or coffee,which can all stain your teeth.

Will teeth whitening work on false teeth?

Teeth whitening doesn't work on dentures, crowns, fillings or veneers.

What are the risks of teeth whitening?

No matter what treatment you use, there's a chance your gums will be sensitive to the chemicals used in teeth whitening, particularly if you already have sensitive teeth. There's also a chance of burns to gums and some of the whitening kits used at home can harm tooth enamel.

What if I'm not happy with the results?

If you are not happy with the results, speak to the dental professional who carried out your treatment to ask for advice.

If you're concerned that teeth whitening by a dental professionalhas damaged your teeth, you can contact the Dental Complaints Service online or call them on 020 8253 0800. This is an expert, free and independent service that can help if you have a complaint about private dental care.

If you think your teeth whitening hasbeen carried out illegally (that is, by someone not qualified or registered to perform it)you can report this on the General Dental Council website.

Page last reviewed: 17 January 2022
Next review due: 17 January 2025

Teeth whitening (2024)

FAQs

What is the best method to whiten teeth? ›

Using hydrogen peroxide

Hydrogen peroxide is a mild bleach that can help to whiten stained teeth . For optimal whitening, a person can try brushing with a mix of baking soda and hydrogen peroxide for 1–2 minutes twice a day for a week. They should only do this occasionally.

What is the best type of teeth whitening? ›

laser teeth whitening is the safest, quickest, and most effective option among the types of teeth-whitening treatments available. However, there are ultimately several ways to whiten teeth, and the most suitable option will depend on your timeline, budget, and priorities, as well as the nature of the discoloration.

Can yellow teeth become white again? ›

What Can Be Done to Whiten Yellow Teeth? If you're looking for a radical change in the coloring of your teeth, you need professional-grade whitening to get the job done. Your cosmetic dentist can provide treatment that penetrates deep into the enamel and removes years of stains with a powerful bleaching agent.

Does teeth whitening actually work? ›

Tooth-whitening works best for people with yellow teeth and is less effective for people with brown teeth. If your teeth are gray or purple, tooth bleaching probably won't work at all. To be sure tooth-whitening is worth your time and money, talk to your dentist before you use an over-the-counter tooth whitening kit.

What whitens teeth really fast? ›

Use Baking Soda and Hydrogen Peroxide

This may be a more complex way to whiten your teeth, but it works incredibly well! Baking soda can help get rid of plaque that's on your teeth while hydrogen peroxide is an antibacterial agent that can whiten your teeth and keep them free of germs.

What is the least damaging way to whiten your teeth? ›

Here are a few to consider: Baking Soda: As long as you are careful to brush gently, baking soda can eliminate stains from the surface of your teeth without damaging them. Whitening Strips: Whitening strips mold to the shape of your teeth to whiten them. Whitening strips are both safe and effective.

What tooth whitening actually works? ›

If you're looking for long-lasting results, Bianca Velayo, DMD of Green Valley Smiles Dentistry, recommends looking for peroxide-based products if you're hoping to whiten tooth enamel. You can opt for either carbamide peroxide or hydrogen peroxide as both will reverse internal and external stains on teeth, she notes.

What do doctors recommend for teeth whitening? ›

If you've never used a home whitening kit before, Dr. Cho recommends starting off with one that has a low hydrogen or carbamide peroxide solution, such as 5% or 10%. “This will give you an idea as to whether or not your teeth are sensitive to the bleach and if so, just how sensitive they become to it,” she says.

What do professionals use to whiten teeth? ›

Carbamide peroxide and hydrogen peroxide are commonly used in whitening interventions and can readily permeate dental hard tissues.

What vitamin deficiency causes yellow teeth? ›

In adults, low vitamin D status can lead to gingivitis and periodontal disease. Does vitamin D deficiency cause yellow teeth? Yes, vitamin D deficiency can show up as yellow teeth. Yellow or brown spots on teeth are a symptom of rickets, a condition caused by chronic low levels of vitamin D.

How to whiten teeth in 2 minutes? ›

Baking-powder eliminates stains on the surface of your teeth and lemon juice as we already said has multiple components that lighten teeth. Just mix a teaspoon of baking powder and a teaspoon of freshly squeezed lemon juice and brush your teeth with the paste this mixture will work wonders in just two minutes.

How to get rid of yellow teeth overnight? ›

Tray-based tooth whiteners

This tooth whitening method involves wearing a fitted tray over the teeth. The tray contains a bleaching gel and is worn for 2 to 4 hours a day or overnight . It is important to look for products that contain 10 percent carbamide peroxide.

Do crest white strips work? ›

Depending on the type of discoloration you have, Crest whitening kits may or may not work for you. If you have yellowing due to aging, poor nutrition, smoking, this whitening method may work for you. But if you have dark and greyed teeth, Crest Whitestrips may not work for you.

What are the cons of teeth whitening? ›

Schedule an appointment with our dentist in Gainesville for more information or a consultation about your specific concerns.
  • Tooth sensitivity. ...
  • Doesn't work on all teeth. ...
  • May exacerbate certain conditions. ...
  • Temporary. ...
  • Don't use if you're pregnant.

Is dentist teeth whitening worth it? ›

As a result, you may wonder if professional tooth whitening is worth the cost. Lots of patients are curious about in-office treatment and ask if it is really better than at-home options. The answer is a resounding yes. The most effective way to whiten teeth is with a professional in-office treatment.

How do people get their teeth so white? ›

The most common approach dentists use for brightening teeth is professional teeth whitening. It entails bleaching teeth enamel to remove surface and intrinsic stains.

Can I use hydrogen peroxide to whiten my teeth every day? ›

The longer hydrogen peroxide stays in contact with your teeth, gums, or tongue, the more damage it can cause. That is why whitening treatments that contain hydrogen peroxide are only applied for a limited amount of time. Most products recommend a maximum time of 1 – 2 minutes, once or twice a week.

Does Crest whitening strips really work? ›

If you want to know the truth, yes, Crest Whitestrips do work. They can make your teeth look whiter because of a gel that is spread along the strip and placed onto the surface of your teeth. This substance contains hydrogen peroxide or carbamide peroxide and works to penetrate the tooth enamel to remove stains.

Can you brush your teeth with baking soda and hydrogen peroxide? ›

Baking soda is abrasive and helps remove stains from the surface of your teeth which makes them appear whiter. However, baking soda does not help remove the old stains. Therefore mixing it with hydrogen peroxide helps whiten your teeth. The mixture forms a paste which stays on your teeth while brushing them.

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