A wire that engages in the braces and moves the teeth.

A thin stainless steel metal ring, which is cemented to a tooth.

An orthodontic attachment that is cemented to a tooth for the purpose of engaging an archwire. Brackets can be fabricated from metal or ceramic.

Stainless steel or nickel titanium spring used to open space between teeth.

Used to attach rubber bands from the top to the bottom braces.

The removal of the braces following the completion of treatment.

Used to move the upper teeth relative to the lower teeth. Can be used to correct an overbite, underbite or crossbite.

Also known as “C”-chain. Used to close spaces between the teeth.

Small rubber band that connects the archwire to the bracket. Come in many colors.

The tissue that surrounds the teeth, consisting of a fibrous tissue that is continuous with the periodontal ligament and mucosal covering.

Generic term for extraoral traction for growth modification, tooth movement and anchorage.

Steel ligature with hook for elastics.

Pertaining to the lower jaw. May be used to describe teeth, dental restoration, orthodontic appliances or facial structures.

Pertaining to the upper jaw. May be used to describe teeth, dental restorations, orthodontic appliances or facial structures.

Any orthodontic appliance, fixed or removable, used to maintain the position of the teeth following corrective treatment.

The passive treatment period following active orthodontic correction during which retaining appliances may be used.

Brackets that have a locking door which secures the archwire to the brace. More hygienic and comfortable than a traditional bracket.

Wire tie used to secure archwire snugly to the brace.