Teeth Whitening

Many of us have heard that teeth whitening may harm your enamel. This is not true- you can harm your enamel by trying not approved by dentists’ methods- for example, using baking soda and lemon. So do not try to bleach your teeth alone, but trust us to do that for you. Bleaching is a harmless procedure, as long as it is controlled by a dental professional. The outer layer of the tooth is called enamel. The natural tooth color is received by the absorbing and diffusion of the light by the enamel together with the color of the lower tooth layer- dentin. The thickness and the smoothness of the enamel are genetically defined. If the enamel is thinner, the color of the dentin is more defining the overall tooth color. Daily, on the enamel a thin layer is formed- pelicule. This thin layer, together with the pores in the enamel, retains different coloring agents.

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Whitening can be a couple of types- office and home bleaching, external and internal. The active agent of the bleaching gels is carbamide or hydrogen peroxide. It cleans the stains in the enamel pores.
Whitening at home- the dentist determines the initial shade of your teeth and then takes an impression of your upper and lower tooth arch. Then, the dental technician makes a transparent splint, which is exactly the form of your tooth arch. You receive the splints together with the whitening agent. It has lower carbamide/hydrogen peroxide concentration. The whitening gel is applied in the splint and you are required to stay with them for a particular amount of time. The maximum effect is accomplished by 2-3 weeks. Some tooth sensitivity is possible. The procedure may be repeated in a couple of months. Whitening at the dental office- a stronger bleaching agent is applied on the teeth after initial protection with gingival barrier, which we will apply on your gums. The whitening gel is activated by light. The procedure can be performed a couple of times till the needed effect. The internal bleaching is performed again in the dental office on teeth which have had their root canals treated. Some old root canal filling materials can give the tooth a different color. By the internal bleaching, the initial tooth color is restored. Sometimes, the changes in the color are a result of some medicines, or genetic diseases of the tooth structures and cannot be solved just by whitening. Then, porcelain veneers or crowns can be a decision.
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