![Figure 1.](/ServeContent?url=http%3A%2F%2Fdbm.sagepub.com%2Fcontent%2F4%2F1758736013492529%2FF1.medium.gif)
Figure 1.
Self-ligating orthodontic bracket components: (a) top view of bracket showing tie-wings, archwire, and bracket base; (b) side view of bracket showing the angle of the bracket slot (prescription) and archwire rotation occurs about the x*-axis of the bracket coordinate system; and (c) archwire rotation, φ.