Fig. 3
a, b Length of treatment (total treatment time) and length of Class II correction (time for elastics/appliance use). *P < 0.05, **P < 0.01, ***P < 0.001
Fig. 3 | Progress in Orthodontics
a, b Length of treatment (total treatment time) and length of Class II correction (time for elastics/appliance use). *P < 0.05, **P < 0.01, ***P < 0.001