An orthodontic device and methods thereof for correcting an arrangement of teeth are provided. The orthodontic device includes a plurality of brackets for attaching to teeth； a plurality of spring anchoring units, wherein each of the plurality of spring anchoring units is attached to one of the plurality of brackets； and a spring having a tension, two-dimensional longitudinal deformability and two-dimensional rotational deformability, wherein the spring is attached to each spring anchoring unit, wherein the tension is zero prior to attaching the plurality of brackets to the teeth, wherein further the tension is greater than zero immediately after attaching the plurality of brackets to the teeth, wherein further the tension is zero when the plurality of brackets is attached to the teeth and in an optimal position.
