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Table 5 Maximum von Mises stress (MPa) for direction of force simulating molar intrusion

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 21.09 17.85 0.22
Group 1b 29.34 28.92 0.44
Group 2a (Fig. 7) 19.85 14.15 0.22
Group 2b 37.16 24.83 0.40
Group 3a 81.19 75.46 0.12
Group 3b 98.2 51.26 0.70
Group 4a 75.17 47.25 0.14
Group 4b (Fig. 8) 111.27 89.89 0.59