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Table 1 Target registration error of mandible in the Cybion navigation surgery device according to the number of registration marker (Mean ± SD)

From: Errors according to the number of registered markers used in navigation-assisted surgery of the mandible

Anatomic landmarks for measurement

Number of registration marker (mm)

P-value

 

3

4

5

6

7

 

Condyle head (n = 100)

1.66 ± 0.62

1.70 ± 0.63

1.45 ± 0.75

1.68 ± 0.69

1.50 ± 0.58

0.015*

Condyle neck (n = 100)

1.41 ± 0.60

1.51 ± 0.65

1.14 ± 0.66

1.61 ± 0.71

1.32 ± 0.60

< 0.001*

Coronoid process (n = 100)

1.18 ± 0.54

1.24 ± 0.46

1.04 ± 0.39

1.28 ± 0.55

1.23 ± 0.48

0.007*

Sigmoid notch (n = 100)

1.15 ± 0.60

1.17 ± 0.47

0.97 ± 0.48

1.30 ± 0.57

1.05 ± 0.60

< 0.001*

Posterior border (n = 100)

1.25 ± 0.49

1.32 ± 0.57

1.11 ± 0.53

1.26 ± 0.51

1.17 ± 0.49

0.046*

Antilingula (n = 100)

1.13 ± 0.53

1.10 ± 0.47

1.13 ± 0.46

1.30 ± 0.57

1.05 ± 0.43

0.007*

Mandibular anlge (n = 100)

1.06 ± 0.52

1.01 ± 0.40

1.12 ± 0.50

1.26 ± 0.51

1.13 ± 0.49

0.009*

  1. p < .05*