A dental tray is a removable denture matching the shape of the teeth. It is designed from an impression of the teeth and looks like a kind of mouth
guard. The tray can be used to correct malocclusions, allowing the teeth to move smoothly. This device, used in orthodontics, must be changed regularly and has the advantage of being more discreet and easier to clean than braces. The tray therapy lasts one year with monthly visits to the orthodontist. Another type of tray is used against bruxism, the act of grinding the teeth, and another has an impact against snoring.