Patent ID: 6142776
Filing Date: 2000-11-07
Classification: A61C

Abstract:
A lingual orthodontic bracket comprising:a bonding pad for attaching said bracket to a lingual side of a tooth;a base member connected to the bonding pad;opposing first and second wings connected to the base member for engaging opposite end portions of an O-ring;an archwire slot defined in the base member between the first wing and the second wing for receiving an archwire, the archwire slot being angled in a direction toward the second wing; andan O-ring slot for receivingly engaging a portion of the O-ring, said O-ring slot defined along a lateral side of the base member between the base member and the second wing and arranged so that a force tending to remove the archwire from the archwire slot compresses the O-ring cross-sectionally between the archwire and the second wing.