First of all, it is necessary to make a tray(a structure made in the shape of the teeth) whose shape matches the teeth at the dental clinic.
By applying special medicines on the tray, it needs to be kept on the teeth in the mouth for several hours.
The tray is often kept in the mouth, while the patient sleeps.
Generally, it is kept once or twice a day with one time of 30 to 60 minutes.
The treatment usually takes two to six weeks. The result is usually satisfactory. However, the special medicines applied on the tray sometimes
come out of the tray and influences the gum, providing the patient with a uncomfortable feeling.