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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*