An orthodontic appliance comprising: a base having a wall section that faces a certain direction; a body extending outwardly from the base; an archwire slot extending across the body in a generally mesial- distal direction; and a clip for releasably retaining an archwire in the archwire slot, the clip including: a first section; a second section opposed to the first section, the first section and the second section extending in generally parallel directions and being spaced apart from each other to present a region for receiving an archwire; a third section having a longitudinal axis extending in a direction generally perpendicular to the direction of extension of the first section and the second section; a first corner portion interconnecting the first section and the third section; and a second corner portion interconnecting the second section and the third section, wherein the first corner portion extends in a direction opposite the certain direction away from the first section a certain distance, wherein the second corner portion extends in a direction opposite the certain direction away from the second section a distance that is greater than the certain distance and wherein the first corner portion and the second corner portion are in contact with the wall section of the base, characterized in that the third section has a configuration that is generally symmetrical about a reference axis (c) perpendicular to the longitudinal axis of the third section when viewed in a reference plane containing the first section, the second section and the third section. a base having a wall section that faces a certain direction; a body extending outwardly from the base; an archwire slot extending across the body in a generally mesial- distal direction; and a clip for releasably retaining an archwire in the archwire slot, the clip including: a first section; a second section opposed to the first section, the first section and the second section extending in generally parallel directions and being spaced apart from each other to present a region for receiving an archwire; a third section having a longitudinal axis extending in a direction generally perpendicular to the direction of extension of the first section and the second section; a first corner portion interconnecting the first section and the third section; and a second corner portion interconnecting the second section and the third section, wherein the first corner portion extends in a direction opposite the certain direction away from the first section a certain distance, wherein the second corner portion extends in a direction opposite the certain direction away from the second section a distance that is greater than the certain distance and wherein the first corner portion and the second corner portion are in contact with the wall section of the base, characterized in that the third section has a configuration that is generally symmetrical about a reference axis (c) perpendicular to the longitudinal axis of the third section when viewed in a reference plane containing the first section, the second section and the third section. a first section; a second section opposed to the first section, the first section and the second section extending in generally parallel directions and being spaced apart from each other to present a region for receiving an archwire; a third section having a longitudinal axis extending in a direction generally perpendicular to the direction of extension of the first section and the second section; a first corner portion interconnecting the first section and the third section; and a second corner portion interconnecting the second section and the third section, wherein the first corner portion extends in a direction opposite the certain direction away from the first section a certain distance, wherein the second corner portion extends in a direction opposite the certain direction away from the second section a distance that is greater than the certain distance and wherein the first corner portion and the second corner portion are in contact with the wall section of the base, characterized in that the third section has a configuration that is generally symmetrical about a reference axis (c) perpendicular to the longitudinal axis of the third section when viewed in a reference plane containing the first section, the second section and the third section.