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Progress in Orthodontics

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.
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