Two female patients with severe Angle Class II division 1 malocclusion were orthodontically treated. The first case was a young growing patient (ANB 10.0°, overjet 9.0mm), and showed both the orthopedic effect of headgear in inhibiting maxillary growth and encouraging mandibular growth. The second case was an adult patient with severe crowding of the upper arch (modified ANB 11.0°, overjet 11.0mm). The upper cuspid was extracted as an unusual extraction case. Both of the cases had good occlusion and profile and the patients were satisfied with the results.
著しい叢生を伴うAngle Class II division 1の2治験例
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