Table 7 Ideal root control angle to keep the roots of the maxillary cuspids detached from the labial bonebone cortex

15.38 ± 1.61

16.07 ± 2.14

16.03 ± 2.02

15.85 ± 1.96

104

0.275

15.61 ± 2.30

15.85 ± 2.19

15.70 ± 1.82

15.73 ± 1.82

104

0.787

−0.92 ± 0.59

−0.77 ± 0.58

−1.06 ± 0.82

−0.91 ± 0.68

104

0.188

−1.07 ± 0.59

−0.81 ± 0.58

−0.88 ± 0.84

−0.91 ± 0.68

104

0.252

8.29 ± 0.76

8.64 ± 1.01

8.69 ± 0.85

8.55 ± 0.90

104

0.138

8.40 ± 1.04

8.54 ± 1.02

8.52 ± 0.81

8.49 ± 0.96

104

0.807

6.32 ± 4.01

5.02 ± 3.78

6.88 ± 5.27

6.03 ± 4.41

104

0.184

7.26 ± 4.07

5.41 ± 3.70

5.72 ± 5.47

6.08 ± 4.45

104

0.186