Dental Bleaching

Dental Bleaching we needed because teeth are exposed to a change in color due to many factors such as poor oral hygiene, consumption of sugary or acidic foods and drinks, or certain medications that can cause staining of teeth.

If these underlying causes are not addressed, the teeth may continue to discolor even after the whitening treatment. Let’s learn about the types of Dental Bleaching and how each type is done separately.

?Why does the color of teeth change

Before we get into the types of whitening, it is important to know why teeth change color. In fact, there are several factors that help change the color of the teeth and the appearance of pigmentation, including the following:

Failure to maintain oral and dental care methods, which facilitates erosion and gaps, which are the first step that qualifies for a change in the color of the teeth.

Lack of saliva increases the chances of bacterial infection.

It may occur as a side effect of some medications such as antibiotics.

Some genetic factors may be involved.

Types of Dental Bleaching

Fortunately, there are many techniques used in teeth whitening, which vary in terms of their price, the time required for results to appear, and the extent of effectiveness, and the most famous of them are:

• Home teeth whitening trays.
• Chemical whitening of teeth.
• Laser teeth whitening.

In addition to the above, bleaching can be divided according to its method into two types:

• External whitening: External bleaching removes stains by using mild abrasives to remove stains from the outer surfaces of the teeth. This exposes the color underneath but does not actually change the color of the teeth.
• Internal whitening: Internal bleaching is a process that uses a whitening agent (carbamide peroxide) to change the color of your tooth enamel.

Laser Dental Bleaching

One of the popular methods of teeth whitening is laser,

Which is a procedure in which hydrogen peroxide is used at a concentration of only 25% with the use of a light ultraviolet light, which helps to break up stains more quickly. 
The results of laser teeth whitening usually appear after only 3 sessions,

And this is due to the immediate effect of ultraviolet light with the whitening substance. 
Despite this effective effect, the following must be known when whitening teeth by zoom:  

It is possible for some people to have an allergic reaction to laser whitening.

Here may be some tingling sensation during the procedure.

This procedure is not suitable for children under 13 years of age, or during pregnancy or breastfeeding.

The results of whitening vary according to the nature of the teeth, age, cleaning routine, and food. It is possible to re-whiten the teeth every 3-6 months at least, so its results are not permanent.

The laser teeth whitening session usually takes less than an hour, and it is possible for the doctor to perform a deep cleaning of the teeth before starting to get the desired results.

There is some heat generated by the laser device which can be annoying in some cases

Zoom teeth whitening steps

• The doctor covers the lips and gums with a rubber band to prevent bleach from reaching them.
• The doctor puts a whitening gel consisting of hydrogen peroxide on the teeth, then shines an ultraviolet light from the laser device on the teeth to break up all the existing stains, so the teeth become clean and shiny.
• The doctor repeats the session at least 3 times, in which the doctor applies the whitening gel for 15 minutes, then uses the laser device for 30 minutes, so the session does not exceed an hour as a maximum.