Frequently Asked Questions

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Tooth Whitening

How long does the treatment take and how many appointments do you need?

It takes just 1 appointment to take impressions of your month so that the bleaching trays can be make. These are either sent to you or you can collect them the next day.

Does it harm your teeth?

No, research shows that there is no harm done to teeth or gums.

How long do the results last for?

After 3 years there is still a 70% improvement but you can keep topping it up with the home trays, approximately once a month.

Are there any side effects?

There is occasional sensitivity during treatment but this soon disappears.

Is there an age restriction?

Yes, there is a recommended age restriction of 18 for tooth whitening.

Will it work on crowned or veneered teeth?

No, it doesn’t change the shade on these so they may need to be replaced at some point.

Can I get more bleaching gel and where from?

Yes, you can buy more gel just contact the practice and we can arrange for it to be sent to you.


How long will they last?

Veneers should last for about 10 to 15 years as long as regular examinations and oral hygiene appointments are maintained.

Can they change the shape, size etc of teeth?

Yes, veneers can change the size, shape and colour of your teeth.

Can they close the spaces between my teeth?

Yes, veneers can be made so that they close the space between teeth.


What is ozone?

Ozone is a gas. It is the clean, fresh smell that you find at high altitudes and after thunderstorms. Above us, high in the atmosphere it is our natural protection against harmful sunlight, and it is present all around us in the air we breathe.

What can ozone do for me?

Ozone kills bacteria, viruses and fungi within five seconds. It is used in hospitals and public places to control infections and smells. It is used to purify water you drink. Ozone works by breaking up the cell walls of bacteria, viruses and fungi, and breaking up sulphurous compounds into non-smelling compounds.

How can it help my teeth?

We use a small laser, the Diagnodent, to look inside the surface of your teeth. It detects areas of bacteria that cause decay and gives us an idea of how much decay is present. A special hand piece then supplies ozone to the decayed area. It is simple and painless. There is no drilling, fillings, injections or damage to your tooth.
Ozone kills the acid-producing bacteria that cause decay and gum disease. Once these bacteria are eliminated, the Healozone unit puts a special liquid mineral on to the cleaned area. This starts the healing part of the tooth treatment. We also give you a special toothpaste and mouth rinse. These contain all the essential minerals that your body needs to repair the decayed area. Regular use of the home kit will ensure the success of your ozone treatment.

How do I know that it has worked?

We bring you back after three months to check the laser readings. The research shows that in over 96% of cases, the decay has stopped or reversed.

Will I feel anything?

No! The whole process of the laser readings, the ozone application and the mineral wash are painless. It does not involve any damage to your tooth or gum tissue.

What are the alternatives?

The alternatives to ozone are traditional treatments we have offered you in the past. These are:

  • Fissure sealants with air abrasion. This involves limited damage to your tooth.
  • Fillings with injection and drill. This involves an injection, drilling away the decay and then putting in a filling to stop up the damaged area. Fillings usually need to be replaced after 5-10 years.
  • Further decay and pain. This is probably what will happen if you have no treatment on a tooth that has decay present, and the tooth may have to be removed.

How much does the treatment cost?

The current cost per tooth is £85.

Will there be any future uses for ozone in dentistry?

Yes, there will be. As a practice we will be involved in finding new ways of using Healozone in dentistry. One of our interests is the ability to be able to kill over 99% of all the bacteria when preparing a conventional cavity in a tooth. We recommend that when an old filling is replaced, the cavity is treated with ozone before the new filling is put in place. It is believed that this will greatly reduce the risk of further decay in that tooth and should help reduce sensitivity and the need to have root canal therapy. Additional cost per filling will be £25.

© Chelsea Harbour Dental Practice. 2/14a The Design Centre, Chelsea Harbour, London SW10 0XE. Website updated August 2016.