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Updated by JDRM Dental Care on Jun 09, 2016
Headline for Safe Home Teeth Whitening – Common Questions Answered
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Safe Home Teeth Whitening – Common Questions Answered

For years, dangerous ‘over the counter’ tooth whitening systems have given home teeth whitening a bad name. However, when you visit your dentist, teeth whitening is a completely safe and effective way of improving your smile without damaging your teeth.


How long are the results of teeth whitening expected to last?

Usually, home teeth whitening lasts for between a year and 3 years, depending on your lifestyle. For example, people that regularly consume highly coloured foods, drink coffee, tea, red wine and fizzy drinks, or smoke are likely to require more frequent teeth whitening than people who avoid naturally staining foods and substances. The same things that stained the teeth before bleaching can cause the teeth to become discoloured again. Some people prefer to have touch-ups every year, or as frequently as every 6 months.


Is teeth whitening treatment from a dentist safe?

Is teeth whitening treatment from a dentist safe?

Bleaching under the supervision of a dentist is safe for the teeth and the gums. As the trays are custom made for each patient, there is much less risk of whitening gel leaking out and causing damage to the gums. The gel that is used changes the colour of the teeth without damaging their structure.


What are the dangers of ‘over the counter’ tooth whitening? Why should you always visit a dentist?

Some shop bought teeth whitening systems contain a very dangerous acidic rinse which can burn the gums and remove significant parts of the tooth structure, causing permanent damage. In many cases, whitening treatment that is sold over the counter, or performed by non-dentists uses dangerous chemicals such as chlorine dioxide and sodium perborate. To achieve the best results and in safety, you should visit a dentist who can provide custom trays, ensuring total teeth coverage and more powerful peroxide. People that use trays that don’t fit properly are also more likely to suffer from sensitive teeth.


How much whiter will be teeth be after treatment

How much whiter will be teeth be after treatment

Home teeth whitening kits using custom made trays and professional strength whitening gel can whiten the teeth up to 8 shades in around 14 days.


How long does teeth whitening take?

To achieve the desired results of teeth that are returned to their natural colour, home teeth whitening kits are usually provided for 14 days, which is usually long enough to see the desired results.


How does home teeth whitening work?

How does home teeth whitening work?

Dentists provide custom fitted trays for you to wear for as little as half an hour per day. To create trays that fit perfectly onto your teeth, your dentist takes an impression of your teeth. Teeth whitening gel is then applied to every compartment of the tray to ensure that all teeth are sufficiently covered during whitening treatment – any excess gel should be carefully wiped away from the gums.