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Table 4 Maximum Von-Mises stress and maximum hydrostatic pressure calculated for various bracket distances from the cusp tip

From: The effect of vertical bracket positioning on torque and the resultant stress in the periodontal ligament—a finite element study

Distance (mm) MVS (MPa) ∆ MVS MHP (MPa) ∆ MHP
1.5 0.0793   0.2749  
2 0.0633 0.016 0.259 0.0159
2.5 0.0617 0.0016 0.253 0.006
3 0.0496 0.0121 0.251 0.002
3.5 0.0467 0.0029 0.238 0.013
4 0.0445 0.0022 0.186 0.052
4.5 0.0214 0.0231 0.105 0.081
5 0.0124 0.009 0.058 0.047
5.5 0.053 −0.0406 0.201 −0.143
6 0.112 −0.059 0.387 −0.186
  1. MVS, maximum Von-Mises stress; ∆ MVS, difference between MVP of two subsequent bracket positions; MHP, maximum hydrostatic pressure; ∆ MHP, difference between MHP of two subsequent bracket positions.