Elastic tie : tiny rubber band that fits around the bracket to hold the archwire in place
Loop in archwire : frequently used for space closing left by an extraction. Many archwires don't have a loop
Archwire: the main wire that acts as a track to guide the teeth along.
Bracket : small attachment that hold archwire in place.
Headgear tube : round, hollow attachment on the back bands.
Coil Spring : fit between brackets and over archwire to open space between teeth.
Tie wire : fine wire that is twisted around the bracket to hold the archwire in place.
Band : a thin ring of metal fitted around a tooth and cemented in place.
Hook : welded or removable arm to which elastic are attached.
Elastic (rubber band) : small rubber band that is hooked between different points on the appliance to provide pressure to move the teeth
from: periago orthodontics
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