Orthodontic appliance including arch member

An orthodontic appliance comprising:

• an arch member comprising an arch member body and a plurality of arch member couplings connected to the body;
• and
• a plurality of anchors each comprising an anchor coupling and a base adapted to connect the anchor to a surface of a tooth;
• wherein each arch member coupling is releasably connectable to the anchor coupling of an anchor of the plurality of anchors, and further wherein at least one anchor is adapted for displacement relative to the arch member body such that the at least one anchor can slide relative to the arch member body when the anchor is connected to the surface of the tooth and an arch member coupling of the plurality of arch member couplings is connected to the anchor coupling;
• wherein the arch member body comprises a first shape between a first two arch member couplings that is different from a second shape between two additional arch member couplings, and further wherein the arch member body is adapted to not contact the surface of the tooth when the anchor of the plurality of anchors is connected to the surface of the tooth.

An orthodontic treatment system comprising an orthodontic appliance, wherein the orthodontic appliance comprises:

• a set of arch members, each arch member comprising an arch member body and an arch member coupling connected to the body;
• a set of anchors adapted to connect to respective teeth of a patient's dental arch, each anchor comprising an anchor coupling and a base adapted to connect the anchor to a surface of a tooth;
• wherein the arch member coupling is releasably connectable to an anchor coupling of an anchor of the set of anchors, and further wherein the anchor of the set of anchors is adapted for displacement relative to an arch member body of the arch member such that the anchor can slide relative to the arch member body when the anchor is connected to the surface of the tooth and the arch member coupling of the arch member is connected to the anchor coupling of the anchor, wherein the arch member body is adapted to not contact the surface of the tooth;
• and
• wherein a first arch member of the set of arch members has a geometry selected to move at least one tooth from a first arrangement to a second arrangement, and a second arch member of the set of arch members has a geometry selected to move at least one tooth from the second arrangement to a third arrangement.