First order Offsets in the arch wire to accommodate the labiolingual and buccolingual thickness of teeth. (horizontal plane) Second order Offsets in the archwire in the vertical plane for tipping and uprighting teeth. Third order Twist or torque changes in a rectangular arch along the long axis of the archwire. Tip-back bends Bend placed to tip teeth back. Tip-forward bends Bend's placed to tip teeth forward. Gable, tent bends Uprighting teeth at extraction sites. bends Place to mark, solder or twist wire. Aesthetic bends (beauty) Positioning anterior teeth for optimal cosmetic appeal.