Table 1 Mean and SD of angular torque values for the planned (T1–T0), the achieved (T2–T0), the imprecision (|T2–T1|) and the accuracy (%) considering the individual dental groups, the individual jaws (maxilla and mandible) and the total

91

10.25

16.86

8.67

14.34

 < 0.001*

2.43

1.91

82.98

4.64

 < 0.001*

45

4.19

18.13

3.67

15.56

 < 0.001*

2.09

1.82

82.89

5.41

 < 0.001*

88

1.72

18.18

1.54

14.93

 < 0.001*

2.52

2.41

77.97

5.49

 < 0.001*

90

 − 8.32

20.53

 − 5.33

15.61

 < 0.001*

4.63

3.76

68.72

7.06

 < 0.001*

73

5.56

10.54

4.49

8.67

 < 0.001*

1.91

1.07

81.24

3.81

 < 0.001*

44

6.83

6.73

5.63

5.64

 < 0.001*

1.47

0.78

81.43

4.07

 < 0.001*

85

1.33

9.27

1.08

7.24

 < 0.001*

1.78

1.05

77.61

4.64

 < 0.001*

78

4.56

6.83

3.08

4.65

 < 0.001*

2.25

1.51

69.84

7.29

 < 0.001*

314

1.66

19.76

1.94

15.92

 < 0.001*

3.04

2.86

77.48

8.24

 < 0.001*

280

4.21

8.86

3.24

6.99

 < 0.001*

1.91

1.19

76.99

7.05

 < 0.001*

594

2.86

15.64

2.55

12.54

 < 0.001*

2.51

2.31

77.25

7.71

 < 0.001*