Archwire: Wire applied to two or more teeth through fixed attachments to cause or guide orthodontic tooth movement.
Band (orthodontic): A thin metal ring, usually stainless steel, which serves to secure orthodontic attachments to a tooth. The band, with orthodontic attachments welded or soldered to it, is closely adapted to fit the contours of the tooth and them cemented into place.
Full-archwire: An archwire extending from molar region to molar region.
Gingiva: The tissue that surrounds the teeth consisting of a fibrous tissue that is continuous with the periodontal ligament and a mucosal that is continuous with the lining of the mouth.
Hygiene: The practice of measures designed to attain and preserve health.
Ligature: A tie used to secure individual teeth to an orthodontic archwire, typically made of wire or elastic material.