Skip to main content

Table 6 Comparison of forces and moments generated by direct printed aligners of the 5 tested groups on the UL2

From: Forces and moments generated by 3D direct printed clear aligners of varying labial and lingual thicknesses during lingual movement of maxillary central incisor: an in vitro study

Force

Group 1

Group 2

Group 3

Group 4

Group 5

P valuea

Median

IQR

Median

IQR

Median

IQR

Median

IQR

Median

IQR

Fx

− 0.47

− 0.71 to − 0.30

− 0.21

− 0.41 to 0.00

− 0.25

− 0.44 to − 0.02

− 0.20

− 0.35 to − 0.08

− 0.09

− 0.23 to 0.06

< 0.001

Fy

− 0.08

− 0.26 to 0.10

− 0.42

− 0.68 to − 0.27

− 0.15

− 0.39 to 0.23

− 0.07

− 0.22 to 0.05

− 0.07

− 0.22 to 0.09

< 0.001

Fz

− 0.14

− 0.23 to − 0.08

− 0.15

− 0.22 to − 0.07

− 0.14

− 0.21 to − 0.11

− 0.18

− 0.23 to − 0.10

− 0.13

− 0.18 to − 0.03

< 0.001

Mx

2.60

2.03–3.45

− 0.01

− 0.37 to 0.32

0.39

− 0.05 to 0.85

0.63

0.05–1.22

0.30

− 0.14 to 0.71

< 0.001

My

− 2.64

− 3.83 to − 1.65

− 2.79

− 3.70 to − 1.81

− 2.07

− 3.45 to − 0.78

− 2.53

− 3.29 to − 1.82

− 1.63

− 2.57 to − 0.79

< 0.001

Mz

− 2.43

− 5.59 to − 0.83

3.26

1.45–5.96

0.10

− 2.66 to 2.08

− 1.07

− 2.98 to 0.48

− 0.75

− 2.36 to 0.94

< 0.001

  1. P valuea—overall P value for the model