Orthodontic bracket with archwire slot liner

An orthodontic bracket comprising a body having an elongated channel with a bottom bucco-labially facing wall and a liner extending along said channel, said liner having an archwire slot with a bottom bucco-labially facing surface, wherein said bottom of said archwire slot liner includes an underside having a portion that is spaced from said bottom of said channel such that said surface is located from said bottom wall a distance that varies along the length of said archwire slot.

An orthodontic bracket comprising a body having an elongated channel with a bottom bucco-labially facing wall and a liner extending along said channel, said liner having an archwire slot with a bottom bucco-labially facing surface, said surface being located from said bottom wall a distance that varies along the length of said archwire slot, wherein said liner includes a bottom wall having a dimple.

An orthodontic bracket comprising a body having an elongated channel with a bottom bucco-labially facing wall and a liner extending along said channel, said liner having an archwire slot with a bottom bucco-labially facing surface, said surface being located from said bottom wall a distance that varies along the length of said archwire slot, wherein said liner includes a bottom wall having a folded over section.

An orthodontic bracket comprising a body having an elongated channel with a bottom bucco-labially facing wall and a liner extending along said channel, said liner having an archwire slot with a bottom bucco-labially facing surface, said surface being located from said bottom wall a distance that varies along the length of said archwire slot, wherein said liner includes an end portion that extends beyond the body in a direction along a mesial-distal reference axis.

An orthodontic bracket comprising a body having an elongated channel and a liner extending along said channel, said liner including an edgewise archwire slot portion having parallel walls for edgewise therapy, said liner including mesial and distal archwire slot relief portions providing occlusal and gingival archwire relief and located on mesial and distal sides respectively of said edgewise archwire slot portion.

An orthodontic bracket comprising a body having a mesial side, a distal side and an elongated channel extending between said mesial side and said distal side, said bracket including a liner received in said channel, said liner having an archwire slot, said liner including an end portion having a first section that extends over one of said sides along a direction generally parallel to said one of said sides, said end portion including second and third sections that extend past one side along a direction generally parallel to the longitudinal axis of said channel.

An orthodontic bracket comprising a body having an elongated channel and a liner received in said channel, said liner having an archwire slot, and means for bonding said liner to said body in such a manner that said liner is in tension and places said body under compression.

A method of making an orthodontic bracket comprising the steps of providing an orthodontic bracket body having an elongated channel, placing in the channel a liner having an archwire slot, and bonding the liner to the body in such a fashion that the liner is in tension and places the body under compression.