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Table 4 Maximum von Mises stress (MPa) for force simulating anterior intrusion and retraction force

From: Stress distribution patterns at mini-implant site during retraction and intrusion—a three-dimensional finite element study

Dimension of mini-implant

Maximum stress in mini-implant

Maximum stress in the cortical bone

Maximum stress in the cancellous bone

Group 1a (Fig. 5)

28.0

17.22

0.22

Group 1b

43.34

29.33

0.31

Group 2a

36.24

18.84

0.24

Group 2b

36.46

23.04

0.34

Group 3a (Fig. 6)

210.22

79.74

0.066

Group 3b

125.06

62.29

0.54

Group 4a

159.6

73.58

0.32

Group 4b

156.26

77.09

0.44