Elastic Tie: The tiny rubber band that fits around your bracket to hold the archwire in place. They come in a variety of colors.
Headgear: Headgear uses an external wire apparatus known as a facebow to gently guide the growth of your face and jaw by moving your teeth into proper position. The force is applied to the facebow by a spring-loaded neck strap or head strap. The straps have a safety release that disconnects if the facebow is pulled or snagged.
Headgear Tube: A round, hollow attachment on your back bands. The inner bow of your headgear fits into it.
Hook: A welded or removable arm to which elastics are attached.
Ligature: A thin wire that holds your archwire into your bracket.
Lip Bumper: A lip bumper is an archwire attached to a molded piece of plastic. The lip bumper holds back the molars on your lower jaw to provide more space for your other teeth.
Mouthguard: A device that protects your mouth from injury when you participate in sports or rigorous activities.
Palatal Expander: A device that makes your upper jaw wider.
Retainer: An appliance that is worn after your braces are removed, the retainer attaches to your upper and/or lower teeth to hold them in place. Some retainers are removable, while others are bonded to the tongue-side of several teeth.
Separator or Spacer: A small rubber ring that creates space between your teeth before the bands are attached.
Tie Wire: A fine wire that is twisted around your bracket to hold the archwire in place.
Wax: Wax is used to stop your braces from irritating your lips.