Case Report
Orthodontic Treatment of Bilateral Transposition of Maxillary Canines and Lateral Incisors
Table 1
Lateral cephalometric readings.
| Measurement | Norm | Before treatment | After treatment | 14-month follow-up |
| Age | | 18 years 02 months | 20 years 10 months | 22 years 01 month | Skeletal pattern | | | | | SNA (°) | 87° | 88° | 87° | 88° | SNB (°) | 82° | 85° | 84° | 84° | ANB (°) | 5° | 3° | 3° | 4° | Face plane angle | 87° | 89° | 88° | 90° | Convexity (NA-Apo) (mm) | 4 mm | 4 mm | 3 mm | 4 mm | Wits (mm) | -1-2 mm | -4 mm | -3 mm | -3 mm | Occipital plane to SN (°) | 7° | 7° | 7° | 7° | S.n. GoGn (°) | 32-34° | 27° | 29° | 28° | -Axis (SGn.SN) (°) | 66-68° | 63° | 65° | 64° | Incisor relations | | | | | U1-NA (°) | 22° | 22° | 21° | 23° | U1-NA (mm) | 7 mm | 7 mm | 5 mm | 6 mm | U1-NB (°) | 38° | 31° | 29° | 32° | L1-NB (mm) | 10 mm | 7 mm | 6 mm | 8 mm | APo (mm) | 8 mm | 7 mm | 6 mm | 8 mm | Soft tissues | | | | | Holdaway angle (°) | 20° | 21° | 20° | 20° |
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