Teeth Whitening

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Professional teeth whitening

The modern methods of teeth whitening do not generate structural changes.
The structure of enamel consists of organic (calcium, fluorine, etc.) and inorganic elements that provide a firm connection in the crystal grating. In an acid microflora, like in case of caries, the structure of this gratings become more friable and the crystals flow out of it braking the whole unity and firmness of the structure.
The professional teeth whitening is done in the doctor’s office in the following way: the dentist isolates the lip lines with the help of special gel so that the whitening material would not contact with the tissues of mouth cavity. then the whitening material is spread over the teeth that is activated under the influance of physical agents (laser, ultravoice, light, etc.). the medical procedure finishes with refinement with flourine or some preservative polish that prevents the surface of teeth from super-sensitivity.
The medical procedure lasts from 30 minutes to 1,5 hours, e. g. the whitening with laser lasts only 30 minutes and more light color we have.
2-3 days after lightening it is advised not to use dying foods. This method of teeth whitening is preserved 3-5 years and more if the simplest rules of care are retained.

The contraindications of teeth whitening:

- the existence of inflammatory diseases of
- the tooth caries, the cracked enamel
- the existence of fixed orthodontic structures (the whitening would not be equal)
- if there are tooth inlays or artificial crowns on the frontal teeth: because of difference of materials the whitening would not be equal.
- pregnancy
- it is not advisable for children younger than 16 years.

Teeth whitening

Beautiful and white teeth! It is difficult to find a person who would not like to see the reflection of his nice, white, healthy teeth in the mirror. If there is a toothache, you don’t like the form of your tooth, old dental inlay then you know you have to visit the dentist to change, to mend, to cure. The result is expected if you are sure the doctor is a professional.

Teeth’s whitening is such a procedure which makes the patient doubt and be careful. A part of this cautions are right, but wholly taken they don’t correspond reality. Let’s try to find out what is true and what is false.
Teeth whitening is a procedure during which the tooth changes its color. But the reasons why the tooth changes its color are quite different. Below we present some major reasons why a tooth changes its color. Let’s start from heredity. Each person has natural color of teeth and not always it is white. The color of tooth depends on the dental enamel and the structure of dentine under it. The more there are disorders in the structure of enamel the more dark is the color of tooth, because in this case grows the possibility of accumulation of pigmentary materials. The number of pigments in the unaffected tissues of the tooth is different for each person, that’s why the reason the color of teeth is different.
The next is the usage of products that contain great number of pigmentary materials (coffee, tea, red wine, Coca-Cola, and such kind of other drinks that contain chemical dyes), smoking (nicotine is a strong dye). Such kind of pigmentary materials can change the color of tooth with injured enamel. If there are no disorders in the structure of tooth tissue then pigments can accumulate in the dental deposit, and in case of insufficient oral hygiene teeth visually change their color.
The third is the inborn disorder in the tooth tissue, or the disorder in the formation of tissue under the influence of external factors. E. g. ‘tetracycline’ teeth; in childhood during the formation of permanent dental enamel and dentine structure the child might have health problems and antibiotics from tetracyclic set might be prescribed. If the treatment is active then it may coincide with the teeth formation, and teeth might appear with pigmentary stains and erosions might happen.
The reasons are different, but the goal is one-beautiful and healthy smile. If the tooth structure is injured, the beautiful smile might be restored with invasive and (tooth inlays, etc.) and not invasive (different preparations of calcium, fluorine and etc.) methods.

Home teeth whitening under doctor’s supervision

Whitening with so called kappa (plastic construction that is made with the help of personal dental tray) may be done in the clinic as well as at home under the control of dentist. The whitening gel is filled in the kappa, which is wrapped in the syringe. The kappa with gel is placed on the teeth. The duration depends on the density of the gel-from 30 minutes to several hours. The standard scheme of whitening is 7-10 days for 6-8 hours (usually kappa is worn on teeth at night). There are also some other fastened variants of whitening (3-5 days). There are also standard kappas that patient fills with whitening gel himself. The only problem is that standard kappa does not sit firmly on the teeth, thus the whitening gel can flow out and irritate the mucosa of mouth cavity. Thus the best variant is the collection which includes flexible kappas that can be adapted to teeth.

Whitening pastes

The whitening toothpaste changes the color of tooth from 1 to 1.5 tints due to mechanical effect of abrasive material and/or fermentative additions.
The toothpastes containing highly effective abrasive materials have limited time for usage as far as the long time usage may raise teeth sensibility. For the patients having supersensitive teeth exist special dental toothpastes that contain abrasive material of low effect.

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