An impression device (100) capable of recording upper and lower jaw positions relative to each other with the aid of a moveable locator (300). The impression device comprises a tray (200) capable of accepting impression material, the tray (200) includes a body for positioning within a patient's mouth and a handle that protrudes from the patient's mouth； a displaceable locator (300) arranged in use on the tray in a channel, the locator (300) has a first groove for receiving upper jaw incisor teeth and a second groove for receiving lower jaw incisor teeth wherein the locator can be moved independently of the tray to a user selected position that aligns the locator with a patient's incisor teeth to enable an impression device to be located in the same position in a patient's mouth during each bite registration.
