From: The inflection point: a torque reference for lingual bracket positioning on the palatal surface curvature of the maxillary central incisor
Sum of squares
df
Mean square
F
Significance
Between groups
270,831.54
22
12,310.52
137.60
<ā0.0001
Within groups
79,176.18
885
89.46
Total
350,007.72
907
385.90