Table 4.
Mean, standard deviation (SD) and coefficient of variation (CoV) results for repeated cephalometric measurements for the three volunteers on “Black Bone”
| Measurements | Patient | ||||||||
| 1 | 2 | 3 | |||||||
| Mean | SD | CoV | Mean | SD | CoV | Mean | SD | CoV | |
| Angles | |||||||||
| SNA | 83.8 | 1.0 | 1.2 | 91.8 | 0.4 | 0.4 | 84.4 | 0.5 | 0.6 |
| SNB | 79.2 | 0.8 | 1.0 | 88.6 | 0.5 | 0.6 | 80.4 | 0.5 | 0.6 |
| ANB | 4.8 | 0.4 | 8.4 | 3.2 | 0.4 | 12.6 | 4.0 | 0.0 | 0.0 |
| Interincisal | 123.6 | 2.4 | 2.0 | 131.6 | 3.0 | 2.3 | 137.4 | 4.8 | 3.5 |
| U1-NA | 21.8 | 2.1 | 9.5 | 21.2 | 0.8 | 3.6 | 18.4 | 3.8 | 20.4 |
| L1-NB | 31.0 | 2.6 | 8.5 | 24.6 | 3.6 | 14.8 | 21.4 | 2.1 | 9.7 |
| Distances | |||||||||
| U1-NA | 4.6 | 0.6 | 12.3 | 4.7 | 0.3 | 5.8 | 1.3 | 0.3 | 22.2 |
| L1-NB | 6.6 | 0.9 | 13.1 | 1.2 | 0.3 | 27.5 | 4.3 | 0.6 | 13.5 |
| S-N | 70.2 | 0.3 | 0.4 | 56.7 | 0.3 | 0.6 | 67.6 | 0.3 | 0.5 |
| PNS-ANS | 56.1 | 3.5 | 6.3 | 48.8 | 2.4 | 4.9 | 57.4 | 0.3 | 0.6 |
| S-ANS | 86.3 | 2.2 | 2.6 | 78.8 | 0.3 | 0.4 | 86.8 | 0.5 | 0.5 |
| Me-ANS | 64.7 | 0.9 | 1.4 | 60.8 | 0.4 | 0.6 | 63.7 | 0.4 | 0.6 |
| N-Pog | 99.9 | 1.4 | 1.4 | 102.6 | 0.7 | 0.7 | 109.1 | 0.7 | 0.7 |
1, incisor; A, A point; ANS, anterior nasal spine; B, B point; Gn, gonion; L, lower; Me, menton; N, nasion; PNS, posterior nasal spine; Pog, pogonion; S, sella; U, Upper.