These are cemented in the mouth. Some examples are:
These are cemented but do not have elements that provide forces to the teeth, some examples are:
Removable Orthodontic Appliances are often utilised during the course of limited tooth movement within the primary, mixed or permanent dentitions. They may be employed in either upper or lower arches and typically incorporate finger springs or elastics as active components. This would include expansion plates with screws and springs.