Health A-Z 
Teeth whitening treatments are fairly simple, fast and secure. The techniques used are painless and the dentist is responsible for determining what method and what color is most appropriate in each case.
GREAT VARIETY OF COLORS
The color of the teeth provides a wide range of hues, which is determined as the color of skin or hair, for inheritance. The color is determined by the hue of the core of the tooth or dentin that does not change ever, and enamel, with transparency and ability to reflect light to give their pitch to the tooth.
The dark color of the enamel can be due to intrinsic or extrinsic causes, and may affect a single tooth, several or all of them. The most common causes are an internal haemorrhage, deposition of particles within the glaze, or structural damage in the tooth. The teeth are darkening with age, but there are also substances that promote the formation of stains such as coffee, tea, snuff, red wine, and certain foods and medicines.
The color you acquire after the teeth whitening treatment depends largely on the tone and the original causes of the blackout. After being bleached, the teeth will have a clearer tone, but they will always be depending on the original color of the tooth. That is, the natural color can not be changed, only clarified. Dentists have a wide variety of colors, so the patient can have a rough idea of what the outcome of treatment would be.
GOOD DENTAL HEALTH
All tooth whitening treatments should be performed with good dental health care. Prior to the teeth whitening, the dentist must ensure that there are no cavities, gums are in good condition and that the sensitivity of the teeth is not excessive. All these precautions are designed to avoid possible infection or a high sensitivity after dental treatment.
A good dental cleaning is recommended before starting the process. This will remove the stains and prepare the teeth for treatment. Crowns and fillings will not change color over the teeth, so it is sometimes advisable to change them at the end of treatment so that their color matches the new shade of your teeth.
WHITENING AT HOME OR CONSULTATION?
There are pastes, gels, mouth washes and dentifrices that bleach teeth, but the results will never be as good as the bleaching done by a professional. This method has good results, but does not last long, since it only covers the stains and doesn’t remove them. Hydrogen peroxide and carbamide peroxide are the two substances most commonly used for tooth whitening.
One of the most common methods of tooth whitening is the one that combines the dentist consultation and treatment at home. In the consultation, dentist grinds the teeth to remove impurities after applying a hydrogen peroxide gel. This substance is very abrasive and should be applied carefully to prevent damage to teeth and gums.
The dentist will have previously taken a plastic mould of the teeth of the patient for use with a filling of carbamide peroxide for several hours a day and about four weeks. The treatment ends with a new polishing and a fluoride application whose mission is to strengthen the enamel.
The faster whitening is the one made in consultation with a professional. The new white teeth will not last forever. So a visit should be paid to a dentist once in a year to keep your teeth healthy.
