Table 1 The mean value, standard deviation, minimum, and maximum of the deviation in all groups

Guided access cavity (n)

36

33

48

117

Coronal linear deviation (mm)

Mean

0.09

0.07

0.22

0.13

Standard deviation

0.16

0.15

0.25

0.21

Minimum

0.0

0.0

0.0

0.0

Maximum

0.54

0.49

0.97

0.97

Apical linear deviation (mm)

Mean

0.28

0.40

0.64

0.46

Standard deviation

0.24

0.35

0.46

0.40

Minimum

0.0

0.0

0.0

0.0

Maximum

0.78

1.26

1.60

1.60

Angular deviation (°)

Mean

1.73

2.23

4.00

2.80

Standard deviation

1.97

1.97

2.86

2.57

Minimum

0.0

0.0

0.0

0.0

Maximum

5.90

6.50

11.60

11.60