The natural color of teeth is not very white, so the bleaching procedure is expected to lighten their color. It targets the outer layer known as tooth enamel, the color of which varies from one person to another. Bleaching products also contain hydrogen peroxide or carbamide peroxide, and these materials break down stains into smaller pieces. This makes the color less concentrated and the teeth brighter. Also, whitening methods do not require removing a layer from the surface of the teeth, and thus do not make them bright white. Rather, it lightens the previous color

Benefits of laser teeth whitening:

Gives great long-term results.

It is an easy, non-surgical procedure that does not require much time.

It does not cause any pain as it does not require the use of needles.

Removes stubborn layers of pigmentation with ease.

You can choose almost any degree of whitening that the patient wants

Harmful effects of laser teeth whitening:

It causes tooth sensitivity and gum irritation due to hydrogen peroxide that passes through enamel and dentin.

It may also cause soft tissue sensitivity, depending on the concentration of the peroxide solution. -It requires more than one session to achieve the appropriate degree of whiteness

 - Increases the chances of gum burns