Table 1.
Radiological determined distances A–C (mm) and angle α (°) between the orthodontic mini-implant (OMI) and palatal plane (ANS-PNS) after planning paramedian OMI insertion (lateral cephalogram, Ceph) and OMI placement (cone beam computed-tomography, CBCT) using tooth supported (TS) or soft tissue supported (STS) templates
Radiologisch ermittelte Abstände A, B und C (mm) sowie Winkel α (°) zwischen kieferorthopädischem Miniimplantat (OMI) und Gaumenebene (ANS-PNS) in der virtuellen Planung der paramedianen OMI-Insertion (Fernröntgenseitenaufnahme, FRS) und nach der OMI-Insertion (digitale Volumentomographie, DVT) unter Verwendung von zahn- (TS) oder schleimhautgetragenen Schablonen (STS)
| Measurement | Template | Imaging | N | Mean | SD | Min | Max |
|---|---|---|---|---|---|---|---|
| Distance A | TS | Ceph | 10 | 4.7 | 2.3 | 0.7 | 9.5 |
| CBCT | 20 | 3.0 | 2.3 | 0.0 | 8.3 | ||
| ∆ Ceph/CBCT | 20 | 1.7 | 1.2 | −0.9 | 4.0 | ||
| STS | Ceph | 10 | 2.3 | 3.1 | −2.7 | 7.1 | |
| CBCT | 20 | 1.6 | 2.1 | −2.4 | 5.5 | ||
| ∆ Ceph/CBCT | 20 | 1.6 | 1.5 | 0.2 | 5.7 | ||
| Distance B | TS | Ceph | 10 | 6.8 | 3.8 | 0.9 | 12.5 |
| CBCT | 20 | 4.9 | 2.9 | 0.5 | 8.7 | ||
| ∆ Ceph/CBCT | 20 | 1.8 | 3.6 | −4.8 | 8.2 | ||
| STS | Ceph | 10 | 3.1 | 3.5 | −2.9 | 6.5 | |
| CBCT | 20 | 2.3 | 3.2 | −3.2 | 7.2 | ||
| ∆ Ceph/CBCT | 20 | 1.8 | 1.9 | 0.1 | 8.5 | ||
| Distance C | TS | Ceph | 10 | 5.6 | 0.9 | 4.3 | 6.7 |
| CBCT | 20 | 5.2 | 1.5 | 3.4 | 8.7 | ||
| ∆ Ceph/CBCT | 20 | 0.5 | 1.0 | −2.5 | 1.6 | ||
| STS | Ceph | 10 | 5.4 | 1.1 | 4.0 | 6.7 | |
| CBCT | 20 | 5.2 | 1.0 | 3.2 | 6.7 | ||
| ∆ Ceph/CBCT | 20 | 0.7 | 0.4 | 0.2 | 1.5 | ||
| Angle α | TS | Ceph | 10 | 51.3 | 5.8 | 43.1 | 59.9 |
| CBCT | 20 | 53.2 | 8.0 | 42.4 | 65.9 | ||
| ∆ Ceph/CBCT | 20 | 3.3 | 2.7 | 0.2 | 8.2 | ||
| STS | Ceph | 10 | 58.8 | 7.1 | 44.9 | 66.9 | |
| CBCT | 20 | 61.4 | 10.3 | 43.7 | 84.1 | ||
| ∆ Ceph/CBCT | 20 | 4.8 | 5.7 | −5.0 | 21.6 |
SD standard deviation