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Figure 13a.
Figure 13b.
Figure 14a.
Figure 14b.
Cephalometric measurements – initial and prefinishing_
| Measurement | Standard | 18/8/2017 | 30/10/2019 | Change | ||
|---|---|---|---|---|---|---|
| SKELETAL | Maxilla | SNA | 82 ± 2° | 72.6 | 72.8 | 0.2 |
| A Point Convexity | 3 ± 2 mm | -2 | -2.1 | -0.1 | ||
| NaVert – A point | 1 mm | -1.3 | -1.2 | 0.1 | ||
| Mandible | SNB | 80 ± 2° | 72.6 | 73.0 | 0.4 | |
| Facial Angle | 87 ± 3° | 90.7 | 90.9 | 0.2 | ||
| NaVert – Po | -8 to -6 mm | 1.3 | 1.8 | 0.5 | ||
| Basal Arch Relationship | ANB | 2 ± 2° | 0 | -0.2 | -0.2 | |
| WITS | F: 0mm | -2.1 | -1.9 | 0.2 | ||
| Vertical | Md Plane Angle | 26 ± 4° | 28.6 | 27.7 | -0.9 | |
| LFH Angle | 47 ± 4° | 49.8 | 48.3 | -1.5 | ||
| Md Arc | 26 ± 4° | 35.2 | 37.6 | 2.4 | ||
| Facial Axis Angle | 90 ± 3° | 83.2 | 83.7 | 0.5 | ||
| Growth | CVMI | 1-6 | 6 | 6 | 0 | |
| DENTAL | Upper Incisors | UI to FH | 110° | 120.9 | 118.9 | -2 |
| UI to Pal Plane | 110° | 112 | 110.9 | -1.1 | ||
| UI to Na Vert | 5 mm | 6.8 | 7.6 | 0.8 | ||
| Lower Incisors | LI to Md Plane | 92.5° | 80.7 | 86.8 | 6.1 | |
| LI to Apo | 1 ± 2 mm | 0.2 | 2.4 | 2.2 | ||
| LI to Apo | 22 ± 4° | 22.1 | 27.7 | 5.6 | ||
| Interincisal | UI to LI | 130 ± 2° | 129.7 | 126.6 | -3.1 | |
| FACE DEPTH | U Face G’-Sn | 50% | 46.6 | 45.8 | -0.8 | |
| L Face Sn-Me’ | 50% | 53.4 | 54.2 | 0.8 | ||
| U Lip Sn-Stom | 33% | 30.8 | 27.7 | -3.1 | ||
| L Lip Stom-Me’ | 67% | 69.2 | 72.3 | 3.1 | ||
| PFH:AFH | 59 to 63% | 56.5 | 57.3 | 0.8 | ||
| SOFT ISSUE | L Lip – E Line | -2 ± 2 mm | -5.1 | -4.0 | 1.1 | |
| SnVert – U Lip | 1 mm | -1.7 | -0.9 | 0.8 | ||
| SnVert – L Lip | -1 mm | -4.1 | -2.0 | 2.1 | ||
| SnVert – Po’ | -3 mm | -7.6 | -8.0 | -0.4 | ||
j_aoj-2021-012_tab_002
| Date | Stage |
|---|---|
| 16/5/2018 | Aligners inserted – 29 aligners in initial treatment |
| 17/4/2019 | 32, 12, 22 not tracking at aligner 29 Attachments removed and scan for Additional Aligners |
| 15/5/2019 | Bonded new attachments. 26 aligners in Additional Aligner order Commence cross-elastics on left side at Aligner 1 |
| 18/7/2019 | Aligner 6 12, 22 not tracking. Commence bootstrap elastics |
| 16/10/2019 | Aligner 12 31, 42 not tracking vertically so attachments removed to allow passive vertical settling, Commence powerarm mechanics for 32 |
| 30/10/2019 | Prefinishing OPG and Lateral Ceph ordered |
| 26/2/2020 | Completed aligners; removed bonded attachments, bonded retainers |