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Dental Whitening

This technique does not consist in a “whitening” of the tooth itself, but rather a lightening, as the colour of the tooth itself is not altered.

The colour of a tooth is determined by the tonality of the nucleus of the tooth (dentine), by the transparency and capacity of light refraction of the enamel. The colour of the nucleus does not alter, however, over time the enamel becomes stained from colourant substances such as tobacco, lipstick, coffee, tea, tomatoes, chemical pigments, cola drinks, certain medications, etc.

The whitening consists in eliminating from the enamel, via chemical substances, all those particles which alter its original colour.

What types of whitening are there?

The whitening agents used are two: hydrogen peroxide and carbamide peroxide, both in variable concentrations. Hydrogen peroxide is stronger and more effective, and is used for whitening procedures in two or three sessions in the dental clinic. Carbamide peroxide is used in lower concentrations for outpatient treatment (at home).

Does it work? Will it work for everyone?

The effectiveness of the treatment is proportional to the degree of darkening of the teeth by the colourant substances. The treatment will be useless on teeth darkened through intrinsic disorders, such as the ingestion of tetracycline in childhood, congenital hypoplasia of the enamel, etc.

Is there any risk involved?

The American Dental Association ( ADA ), after rigorous monitoring over various years indicates that there are no harmful effects for either the teeth or general health through the use of these whitening gels.

How long does it last? Do I need to undertake any kind of maintenance?

In relation to the duration of the whitening effect, it depends on the type of diet followed by the patient after the treatment. Therefore, in a smoker, who drinks wine and coffee regularly, the whitening effect will be lost more quickly.

According to the American Dental Association, after 5 years only 20% of the cases studied had slightly lost the tonality achieved. It is advisable to have a follow-up treatment once a year in order to maintain the result, in other words to re-apply the gel in the mould for 2 or 3 days.

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Mapelli Dental Centre. C/Tomás Echeverría, 7. 1º - 4. 29002 Málaga. Tel. 952 33 06 19. e-mail: admin@centrodentalmapelli.com Privacy Policy
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