The present invention relates to an orthodontic wire bending method which can accurately form an orthodontic wire to fit an individual teeth structure of a patient receiving an orthodontic treatment within a short period of time； a bending device having a simplified structure； and a bending system. The orthodontic wire bending method comprises the following steps of: step-wisely moving an orthodontic wire in a direction for a predetermined distance by a wire propulsion part which step-wisely moves the orthodontic wire in a direction (in the direction of X-axis)； rotating the orthodontic wire while having the direction as a central axis by a wire rotation part, wherein the wire rotation part supports the orthodontic wire； and inserting the rotated orthodontic wire between a pair of bending bars installed in a direction perpendicular and parallel to the direction, and bending the orthodontic wire by rotating the bending bars at a predetermined angle of bending.본 발명은 상기와 같은 문제점을 해결하기 위하여 치아 교정용 와이어를 성형하는 경우에 교정 환자의 개별적인 치아 구조에 맞춰 보다 빠른 시간 내에 정확하게 성형할 수 있는 밴딩법과 구조가 단순화된 밴딩장치 및 밴딩 시스템에 관한 것이다.
