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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)
| 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* |
