Table 1 Descriptive deviation values at the coronal entry-point (mm), apical end-point (mm), and angular (°) levels of the orthodontic self-drilling mini-implants placed by using conventional freehand technique and two navigation techniques based on augmented reality technology for the orthodontic self-drilling mini-implants placement in all dental sectors

Coronal

AR TOOTH

Incisive-Canine

23

0.59

0.31

0.30

1.30

Premolar

23

0.61

0.38

0.10

1.40

Molar

23

1.71

0.30

1.10

2.30

AR SCREWS

Incisive-Canine

23

1.65

0.57

0.30

2.10

Premolar

23

1.64

0.65

0.20

2.10

Molar

23

1.91

0.20

1.30

2.10

FHT

Incisive-Canine

23

2.28

0.63

1.00

4.00

Premolar

23

1.70

0.25

1.40

2.10

Molar

23

2.60

0.65

1.60

3.70

Apical

AR TOOTH

Incisive-Canine

23

0.35

0.30

0.10

0.80

Premolar

23

0.95

0.17

0.60

1.30

Molar

23

1.94

0.48

1.30

3.00

AR SCREWS

Incisive-Canine

23

1.71

0.95

0.00

2.80

Premolar

23

1.74

0.46

0.80

2.10

Molar

23

2.12

0.34

1.50

2.80

FHT

Incisive-Canine

23

0.81

0.34

0.30

1.40

Premolar

23

1.59

0.35

1.20

2.30

Molar

23

2.63

0.25

2.20

3.10

Angular

AR TOOTH

Incisive-Canine

23

5.74

4.15

0.40

9.40

Premolar

23

4.90

3.73

0.00

9.00

Molar

23

3.90

3.08

1.00

10.00

AR SCREWS

Incisive-Canine

23

6.08

2.65

2.00

9.80

Premolar

23

4.89

2.19

0.00

9.00

Molar

23

5.68

2.47

1.10

9.80

FHT

Incisive-Canine

23

6.65

1.72

4.10

8.50

Premolar

23

8.18

4.98

2.30

14.60

Molar

23

7.91

2.99

4.10

11.50