Teeth whitening or teeth bleaching is one of the most popular cosmetic procedure done around the world and one of the most treatment patient desire when they visit their dentist, simply because everyone like white teeth, white teeth are more beautiful and attractive than ugly yellow discolored teeth.
Teeth whitening aims to remove the stains and discoloration on the enamel surface caused by smoking or drinking lots of coffee or tea.
Teeth whitening can be done either in the dental office or at home, in the dental office the dentist will use stronger material with higher concentration than the one you can used at home, in the office the dentist will use a gel-like material containing hydrogen peroxide and apply it immediately on the teeth surface which then can be activated by special light or laser, it usually takes 30-90 minutes and repeated on other appointment if necessary, depending on the severity of the discoloration and the degree of whiteness you want to achieve, in home whitening, the dentist will make for you a mouth piece which look like the night guard and fit it exactly on you mouth to help keeping the whitening material in contact with the teeth and then you will fill it with the whitening material for few hours according to the dentist instruction. another way for whitening the teeth is by using one of the over the counter whitening product which contain a whitening agent but weaker than that applied by the dentist, it is used in the same way where the gel is placed in mouth piece which fit in a less secure way than the one made by the dentist then applied on the teeth surface.
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Intrinsic or ExtrinsicIntrinsic stains are developed from internal causes such as chemical used during a root canal procedure. The discoloration may not appear until years later, but it is very unappealing. This stain is on the inside of the tooth. There is little a person can do to prevent or correct this. What is most important is determining the precise reason.
Extrinsic stains come from exposure to foods we eat, smoking or the natural aging process. Stains in this category are on the surface of the tooth and can be removed more easily. Professional cleanings are often sufficient to remove the blemish, if not you may need to use a special bleach.
Different Causes of DiscolorationFood stains are among the most common stains found on teeth. There are circumstances such as trauma with bleeding that darkens the appearance or medications can cause darkening. The cement used in root canals does on occasion cause a stain to appear and it can take months or years to become visible.
Many patients are surprised when their dentist explains that too much fluoride can cause teeth to darken and that tetracycline is known to cause a long term darkening to teeth years after consumption.
Office Bleaching and Home BleachingThey are both safe and effective under the supervision of a dentist. The non-vital method also known as the internal method is specially designed for intrinsic stains. The integrity of the root canal is evaluated, once it is deemed intact and healthy a small hole is made where a bleaching solution is instilled. The whitening liquid is applied to a cotton pellet that is placed inside the opening, which is then temporarily sealed. This process is repeated daily until the desired results are achieved, at which point restoration is restored and bonded with a composite resin.
Bleaching products for home use are plentiful and variable. They are usually accompanied with a tray to hold a gel bleaching substance. The trays are filled and then put over the teeth for a specified period of time. When rinsed they should be white. Strip forms are also available and produce much the same effect without using a tray. If you are debating which one is best for you, ask a dental professional in Dubai.
How Long Does it Last?The whitening may last up to two years. It does, however, lose its effects over time. If the cause is external, you can make subtle changes to your lifestyle to prevent re-occurrence. Brushing and flossing daily and the occasional professional cleaning will also extend the beauty.
If the discoloration was linked to a procedure such as a root canal and it returns after a whitening process you should return to your dentist for a thorough examination. An X-ray may be ordered to examine the surrounding structures.