Palatal expander
Attached to the upper molars through bonding or by cemented bands, the palatal expander is used to create a wider space in the upper jaw.
Radiograph
A permanent image, typically on film, produced by ionizing radiation. Sometimes called an X-ray after the most common source of image-producing radiation.
Retainer
Any orthodontic appliance, fixed or removable, used to maintain the position of the teeth following corrective treatment.
Separator (spacer)
Small elastics that fit snugly between certain teeth to move them slightly so bands can be placed around them later.wax
Patients are instructed to place wax over a bracket or poking wire that is causing irritation to the lip or cheek.