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Table 7 Coefficients of variation for equivalent stresses

From: A biomechanical investigation of mandibular molar implants: reproducibility and validity of a finite element analysis model

Model

Loading points

Buccal loading

Central loading

Lingual loading

Average

The neck of the implant

 Contact model

  No. 34

9.62

16.43

16.75

14.27

  No. 35

9.39

9.81

6.43

8.54

  No. 36

0.72

0.52

4.04

1.76

 Fixation model

  No. 34

3.36

3.24

5.69

4.10

  No. 35

3.04

0.54

7.03

3.53

  No. 36

4.03

4.44

3.91

4.13

The tip of the implant

 Contact model

  No. 34

17.31

11.83

29.53

19.55

  No. 35

2.83

10.34

13.62

8.93

  No. 36

45.69

45.99

34.13

41.94

 Fixation model

  No. 34

9.67

10.44

2.22

7.45

  No. 35

2.33

4.53

4.43

3.76

  No. 36

18.09

15.09

19.79

17.65

  1. Coefficient of variation (%) = (S.D.)/(mean).