Teeth whitening - is it safe?
A very common question from patients dental clinics is whether teeth whitening safe? We will try to explain what is teeth whitening and what differs from those at home.
Why is the color of our teeth darken?
There are many reasons why teeth color fade. The most common include genetics, aging teeth, intake of food and fluids containing colorants such as coffee, wine, tea or cola, as well as antibiotics. Unfortunately whitening toothpastes remove only the external stains, located on the outer enamel layer. Such pastes can not change the color of the inside of the tooth.
Whitening toothpastes on the market contain a negligible concentration of whitening agent, and its composition contained primarily abrasives: silica, diamond dust or soda ash. Such pastes do not advise you to apply for a longer period of time, as they may damage the enamel and lead to the unveiling of cervical. Therefore, to safely achieve a more satisfactory result, it must deal with this professional recording dentist.
How to effectively whiten your teeth?
One of the most effective ways is to overlay method. On the first visit, the dentist takes an impression of the teeth, and on that basis is performed special transparent overlay. Such an overlay is performed to the whitening effect was uniform over the entire surface of the teeth. It is important to overlay perfectly adhere to the tooth surface. On the inner surface of the gel, we apply the bleaching agent having a concentration of from 10 to 15%. Overlays assume usually in the evening. Already after 2 applications will notice a definite difference.
Is teeth whitening safe?
In the west, professional teeth whitening is carried out for 50 years. By this time we've looked at all the biological phenomena associated with whitening and we are able to predict all adverse effects. We use bleaching agents are the safest whitening methods available in the market. They do not cause changes in the structure of the tooth, and do not reduce the resistance to decay.