There are several factors for the teeth lose their whiteness and this is mainly due to dehydration, they lose moisture and loses its whiteness, other reasons are trauma, dental treatment too long, food we eat and which substances are deposited through the package vasilonervioso.

Teeth, according to the person, have different color ranges varying from 16 colors, ranging from white to gray, brown or yellow. In undertaking the study of color is also detected the cause that produces it.

Teeth whitening is something that is fashionable, so many have come to market products that offer this benefit, however it is necessary to know which method is appropriate for everyone and prevent further problems.

People try their teeth to look good out of vanity, coquetry or because the mouth and face are generally as “cards” that can see that much of an individual. The look, the smile, the way they talk, gestures, tics and teeth are some of the things we see in a person immediately.

There are various techniques for bleaching teeth, some homemade and other professionals conducted in a dental office, it is important to first learn the cause of the origin or color deterioration of the teeth, which can be caused by:
- Snuff, nicotine is a substance that irreversibly stain the teeth.
- Excess fluoride in water in some places, such as the state of Durango in Mexico. – The inheritance or home have yellowed teeth.
- Excessive consumption of coffee, soy sauce, raisins, curry, tea or red wine. Acidic foods promote the stains left by food from sticking to teeth.
- Liver disease.
- Normal aging.
- Spots of the pulp caused by trauma or necrosis.
- The consumption of drugs such as tetracycline, an antibiotic often used to control acne.

The teeth whitening is fashionable, but you must be very careful in this process and note that none is totally effective and that the teeth should not be whiter than the whites of the eyes, because the person aesthetically person would be very wrong.

Tooth whiteners use hydrogen peroxide or a similar compound as an active agent, and although its use is rather cosmetic, are considered medicinal and without supervision of a dentist, may cause more harm than good.

Among the damage they can cause is the irritation of the gums, the increased sensitivity of the teeth and if not applied correctly the enamel can be scratched. This medicine is also local application and if it gets to swallow can cause sore throat, nausea and even diarrhea.

Some bleaching agents are also abrasive and can cause tooth wear and damaging the natural nail and can cause problems that can lead to the loss of one or more teeth.

Step by step bleached by specialists, using the tools and the right materials is as follows:
“Making the diagnosis.
- Clean the teeth to be bleached.
- With the latest generation equipment, the product.
- With a light of short wave high frequency, it causes the active ingredient, which is oxygen, is released and crash into the carbon molecule that gives pain to the teeth and produce the desired effect.

Other commonly used tooth whitening products are:
- The bleaching toothpastes that work slowly and generally are abrasive, so choosing either one should analyze their content.
- The use of gel with spoons, the results are very slow
- There are also tools to “remove the stains” that are used almost like an eraser for teeth. These tools will remove stains without damaging the teeth, usually work best when used with a teeth whitening toothpaste, and are especially good for use after eating or drinking anything that can stain.
- “Movies whitening” are other means, are positioned and attached to the teeth, are almost invisible, although they generally work well, it can take weeks to achieve results, as well as the gums should be protected against irritations.
- Peroxide, a substance that many people use for bleaching teeth. The problem is that they can injure the gums, especially if it suffers an illness. Many people use it mixed with sodium bicarbonate is effective but eventually does considerable damage gums and teeth.
- Another relatively new method is the use of laser whitening, but still lacks many tests to ensure its effectiveness.
- Another method used by dentists is the rubber insert, known as the “keeper”, which contains a bleach that is placed in an impression of the teeth and should be used six to eight hours usually while asleep.

In conclusion, teeth whitening already successfully performed by dental professionals, but as attention to your diet, avoid drinks with dyes and especially do not forget to make a proper hygiene of your mouth after every meal.

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For tooth whitening, there are three different methods that can be carried out by dentists, the “Home bleaching” the “in-office bleaching” and the “walking bleach” technique.

The “Home Bleaching” is the most commonly used form. In this case, the dentist creates a unique impression of the jaw, and draw up a rail, which is filled with whitening gel. The splint is then worn by the patient for between one and eight hours. With the home bleaching can always brighten up the entire row of teeth, but any crowns or bridges are not cleared up with, so here is an additional correction is necessary.

The “In-office bleaching” are used more concentrated preparations are applied directly to the tooth. After 15-30 minutes they are removed and can not at a satisfactory outcome then be re-used.

The walking bleach technique is used only in dead teeth. Here, the crown is opened and the bleaching agent is injected into the tooth. There, the funds will remain for several days.

In addition to the options at the dentist directly, there are also several products that can purchased in supermarkets or drugstores. These are suitable, depending on the product more or less well for lightening. However, this can not substitute for the dentist, because the causes of discoloration should be eliminated first.

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  * Most mouthwashes do not fight bacteria: Most mouthwashes are important but not reach the areas where they do reach the brushes. The bacteria are not removed by rinsing. * The teeth whiteners...

* Most mouthwashes do not fight bacteria:
Most mouthwashes are important but not reach the areas where they do reach the brushes. The bacteria are not removed by rinsing.

* The teeth whiteners do not change the color:
They simply remove existing stains the teeth. Is say, it would restore the original color of teeth. The person who is white, will have more white and yellow that I had, but they are yellow. Never get whiter or brighter.

* The flossing prevents heart disease:
American researchers have found that people with gum disease are twice as likely to have heart problems.

* Dry mouth can damage teeth
A permanently dry mouth is starting diabetes. The saliva is vital to wash away food and neutralize acids.

* Saliva shows if we have bad breath:
Put a dab of saliva on the back of the tongue on the inside of the wrist. Let dry a minute and check the odor.

* The teeth should be replaced every 5 years:
The oral tissues of the lower teeth change over time, but hard materials do not adapt.

* The white teeth are not as strong as the yellow:
The white teeth are less resistant to decay than yellow. With age we lose blood supply and makes the teeth look more yellow but not for them unless overuse healthy. The bleaches can also remove the protective enamel.

* No need to brush their teeth after every meal:
It is important to do in the morning and the tonight. And is detrimental in the case are taken acidic foods (juices), since the brush away tooth enamel weakened by acid.

* Do not ignore minor pain of toothache:
Never ignore painful twinges, pressure or other warning signs, however slight. The pain gradually worsens.

* The dental cares not always painful:
The pain is not always related to decay. Only when you have an infection that can not exit through the mouth.

* The sparkling water can dissolve the enamel:

Avoid water with gas because it contains carbonic acid, which can dissolve tooth enamel.
The ingestion of fluoridated water is linked to reducing tooth decay and improve dental hygiene.

* And finally, excessive brushing can damage gums and teeth:
Prolonged and excessive brushing can damage teeth, because pejudica and wears away the enamel tooth surface. The teeth should be brushed no more than two minutes in circular motions.

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