Change of Mandibular Position during Two-Phase Orthodontic Treatment of Skeletal Class II in the Chinese Population

Figure 2

Overjet correction of (a) the whole study sample, (b) positive group, (c) stable group, and (d) negative group for phase I (T0-T1), phase II (T1-T2), and the total treatment period (T0–T2) (; ; ).

(a)

(b)

(c)

(d)