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Table 4 Maximum von Mises stress of PDL in M2 for each iteration (Pa)

From: Accumulated biomechanical effects of mandibular molar mesialization using clear aligners with auxiliary devices: an iterative finite element analysis

Iteration step

CA

Button

MLA

1

4.277E + 05

4.123E + 05

3.747E + 05

2

1.004E + 05

9.795E + 04

9.231E + 04

3

5.160E + 04

5.744E + 04

6.100E + 04

4

2.689E + 04

3.519E + 04

5.336E + 04

5

2.534E + 04

2.457E + 04

1.602E + 04

6

1.227E + 04

1.518E + 04

1.494E + 04

7

1.010E + 04

8.892E + 03

1.535E + 04

8

6.911E + 03

9.313E + 03

1.391E + 04

9

6.625E + 03

6.400E + 03

1.948E + 04

10

4.049E + 03

5.993E + 03

1.287E + 04

11

3.726E + 03

6.124E + 03

1.262E + 04

12

3.484E + 03

6.146E + 03

1.478E + 04

13

3.207E + 03

5.638E + 03

1.197E + 04

14

2.928E + 03

6.371E + 03

1.179E + 04

15

2.747E + 03

6.585E + 03

1.308E + 04

Mean

4.586E + 04

4.694E + 04

4.921E + 04