OUTCOME
The mean age of the subjects of Groups PE and FF at the start of study was 13.03±1.78 and 12.80±1.67 years, respectively. Average duration of premolar extraction treatment was 2.22±0.28 years, and of fixed functional treatment was 2.08±0.24 years, with no significant difference between the two groups (Table 1). Subjects of both groups demonstrated no difference in distribution in terms of age, gender and cephalometric parameters investigated (
