From: The influence of bracket torque on external apical root resorption in bimaxillary protrusion patients: a retrospective study
Variable
High torque group
Standard torque group
P
Mean
SD
Initial age (years)
24.23
4.76
24.71
5.46
0.486
Treatment time (months)
26.9
3.72
25.32
4.60
0.206