What is tooth whitening?

Tooth whitening is a cosmetic procedure for lightening the colour of teeth. Two mild bleaching preparations are generally used: either hydrogen peroxide or carbamide peroxide. These are applied in the treatment room where they can be activated by heat or light, or can be used at home in a custom-made ‘tray’, a transparent plastic device which is designed to hold the preparation in position over your teeth. Different strengths are prescribed for different types of use.

Who can benefit from tooth whitening?

Most people will benefit from tooth whitening. Existing crowns and veneers will not be lightened, but old restorations can be replaced if they look dark after the treatment is completed. Discolouration on some teeth may not respond as well as others, and some can take longer or be more difficult to treat. When you have the first consultation appointment, your dentist will advise on the most suitable techniques for your teeth, the timescale and the expected results. Tooth whitening is not recommended if you are pregnant, breastfeeding or allergic to plastic or peroxide.

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At home tooth whitening advice

You must apply the whitening gel properly to minimise the amount of sensitivity you may experience. If you have any queries, you must contact your dentist.

  • Stage 1 – Thoroughly brush your teeth with a soft toothbrush and toothpaste before application.
  • Stage 2 – Clean and rinse your custom-made, fabricated soft plastic tray provided to you by your dentist.
  • Stage 3 – Load tray with a SMALL amount of whitening gel halfway up the inner front surface for each tooth.
  • Stage 4 – Place the tray snugly over your teeth. Gently press the tray to move the gel into place. Pressing too firmly will force the gel out of the tray.
Teeth Whitening
Teeth Whitening

What to expect during at home tooth whitening.

  • You may experience some slight gum sensitivity. In case of increased sensitivity, reduce usage time and/or frequency until the sensitivity subsides.
  • You may notice that your teeth start to develop white spots or look opaque/chalky. This will even out over time.
  • You may find that your lower teeth do not lighten as quickly as the upper teeth. This is because the lower teeth are smaller and therefore so is the whitening tray. If there is a noticeable difference once the whitening is completed, we may recommend wearing the whitening trays for another week.

FAQs

Frequently asked questions

What causes teeth to discolour?

Teeth naturally discolour with age, and ‘yellowing’ or ‘greying’ is common as we get older. This is why tooth whitening can make you look younger. Other common causes of tooth discolouration are drinks such as coffee and red wine, foods such as curries and smoking.

Can whitening toothpastes replace whitening treatment?

Whitening toothpastes are not a substitute for professional tooth whitening. Although they may effectively remove stains, they cannot affect the natural shade of teeth. They are helpful, however, for maintaining the appearance of professionally whitened teeth.

What is involved in the whitening process?

There are two main techniques which can be used separately or in combination, depending on individual requirements and preferences. The most popular technique is home bleaching, where you will usually need to wear some trays loaded with gel a couple of times a day for up to 2 weeks. The other technique involves a stronger gel, which is applied to your teeth in the treatment room. Chairside whitening can give you dramatic results. It is possible to combine the two techniques to intensify the effects.

How long should I wear my whitening gel for?

  • 6% Hydrogen peroxide – From as little as 30 minutes a day.
  • 16% Carbamide peroxide – From as little as 60 minutes a day.
  • 10% Carbamide peroxide – 2-4 hours or overnight.
  • 5% Mild carbamide peroxide – 2 hours per day.

Are there any side effects?

Sensitivity during treatment or for a few days after is the most frequently reported side effect. If this happens, it usually disappears of its own accord soon after the treatment has stopped and can be eased by using a sensitive toothpaste or fluoride mouthwash.

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“Anna has been my Hygienist since she started working at the Manor Dental Practice and has always achieved the highest…”

Mr Williams

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“What a wonderful team! They provide a comfortable environment, are personable and incredibly knowledgeable. Highly recommend!”

Kate S

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“I have recently moved to the area and needed emergency dental treatment. On the recommendation of my new neighbours, I…”

Judith M

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“Recently transferred across to this practice and have been super impressed with the team. I've had a check-up and hygienist…”

Ross C

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“Friendly, professional service. Full explanation of work was given, very gentle treatment and a great, friendly dental team. Highly recommended.”

Karen H

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“I would like to highly commend this practice. I have been to some pretty dreadful dentists over the years, and…”

Sharon H

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“In Bath on a visit and needed to attend an emergency appointment for my family member. We were treated with…”

Allison A

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“Cracked half of my filling and decided to register and get treatment with Manor Dental. X-rays and a scan of…”

Julie D

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“Had an emergency appointment for a broken front tooth. It was seen that morning, and the tooth was repaired. Faultless…”

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