Orthodontic Dictionary

archwire

A wire engaged in the braces which causes and directs tooth movement.

orthodontic band

A thin metal ring, usually stainless steel, which serves to secure orthodontic attachments to a molar. The band is closely adapted to fit the contours of the tooth and then cemented into place.

bracket

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

ceramic brackets

Crystalline or alumina, these braces are tooth-coloured and less visible than conventional metal braces/brackets.

crowding

Dental misalignment caused by inadequate space for the teeth.

debanding

The removal of cemented orthodontic bands.

debonding

The removal of the brackets and the adhesive with which they were attached.

elastics (rubber bands)

Used to move teeth relative to each other within both upper and lower jaws. When and if elastics are needed, instructions will be given as to how and when to wear them. This is where the patient’s involvement is extremely important, to ensure treatment progresses efficiently.

gingiva

The tissue that surrounds the teeth, also called the gums.

orthodontist

A dental specialist who has completed an advanced post-doctoral course in an accredited Graduate Orthodontic Program consisting of two to 3 years in addition to dental school training.

orthognathic surgery

Jaw surgery to alter relationships of teeth and/or supporting bones, in conjunction with orthodontic treatment.

overbite

Vertical overlapping of upper teeth over lower teeth, usually measured perpendicular to the occlusal plane.

radiograph

A permanent image, performed digitally in our office, 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.

retention

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