An orthodontic appliance (10, 300, 500) comprising: a first anchor (30, 40, 330, 530) comprising a first anchor coupling (34, 334, 534) and a first base (32, 332, 532) that is adapted to connect the first anchor (30, 40, 330,530) to a surface (13, 15) of a first tooth (12, 14), a second anchor (30, 42, 330,550) 330, 430, comprising a second anchor coupling (34, 334,534) and a second base (32, 332,532) that is adapted to connect the second anchor (30, 42, 330,530) to a surface of a second tooth; and an arch member (20, 120, 320,520) comprising an arch member body (22, 122, 322, 522), and a first and second arch member coupling (23, 24, 28, 123, 128) integral with the arch member body (22, 122, 322, 522), the arch member body (22, 122, 322, 522) comprising a cross-sectional geometry that varies along a length of the body; wherein the first arch member coupling (23, 24, 123) is releasably connectable to the first anchor coupling (34, 334, 534), the second arch member coupling (24, 28, 128) is releasably connectable to the second anchor coupling (34, 334, 534), wherein each first and second anchor coupling (34, 334, 534) comprises a slot (36, 336, 536) that includes one or more openings, and wherein each of the first and second arch member couplings (23, 24, 28, 123, 128) comprises a resilient tab (26, 526) that includes a barb (21, 527), wherein said tab (26, 526) is adapted to engage the slot (36, 336, 53 6) of the corresponding anchor coupling so that said one or more openings receive said barb (21, 527) such that the tab (26, 526) is releasably connected to the slot (36, 336, 536), and further wherein the arch member body (22, 122, 322, 522) comprises a first nonlinear portion between the first arch member coupling (23, 24, 123) and the second arch member coupling (24, 28, 128) that is adapted to be spaced apart from the surfaces (13, 15, 17) of the first and second teeth (12, 14, 16) when the first and second anchors (30, 40, 42, 330, 530) are connected to the surfaces (13, 15, 17) of the first and second teeth (12, 14, 16) and the first and second arch member couplings (23, 24, 28, 123, 128) are releasably connected to the anchor couplings of the first and second anchors (30, 40, 42, 330, 530). a first anchor (30, 40, 330, 530) comprising a first anchor coupling (34, 334, 534) and a first base (32, 332, 532) that is adapted to connect the first anchor (30, 40, 330,530) to a surface (13, 15) of a first tooth (12, 14), a second anchor (30, 42, 330,550) 330, 430, comprising a second anchor coupling (34, 334,534) and a second base (32, 332,532) that is adapted to connect the second anchor (30, 42, 330,530) to a surface of a second tooth; and an arch member (20, 120, 320,520) comprising an arch member body (22, 122, 322, 522), and a first and second arch member coupling (23, 24, 28, 123, 128) integral with the arch member body (22, 122, 322, 522), the arch member body (22, 122, 322, 522) comprising a cross-sectional geometry that varies along a length of the body; wherein the first arch member coupling (23, 24, 123) is releasably connectable to the first anchor coupling (34, 334, 534), the second arch member coupling (24, 28, 128) is releasably connectable to the second anchor coupling (34, 334, 534), wherein each first and second anchor coupling (34, 334, 534) comprises a slot (36, 336, 536) that includes one or more openings, and wherein each of the first and second arch member couplings (23, 24, 28, 123, 128) comprises a resilient tab (26, 526) that includes a barb (21, 527), wherein said tab (26, 526) is adapted to engage the slot (36, 336, 53 6) of the corresponding anchor coupling so that said one or more openings receive said barb (21, 527) such that the tab (26, 526) is releasably connected to the slot (36, 336, 536), and further wherein the arch member body (22, 122, 322, 522) comprises a first nonlinear portion between the first arch member coupling (23, 24, 123) and the second arch member coupling (24, 28, 128) that is adapted to be spaced apart from the surfaces (13, 15, 17) of the first and second teeth (12, 14, 16) when the first and second anchors (30, 40, 42, 330, 530) are connected to the surfaces (13, 15, 17) of the first and second teeth (12, 14, 16) and the first and second arch member couplings (23, 24, 28, 123, 128) are releasably connected to the anchor couplings of the first and second anchors (30, 40, 42, 330, 530).