安氏 I 类
,
牙列拥挤

内收
,
First premolar extraction
,
Overtreatment
,
弹性牵引:安氏 II 类
Courtesy of Dr S. Zhang, 2022
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 17
  • Gender: female
  • Invisalign Submission Option: Invisalign Full

Total Treatment Time

  • 24个月

矫治器数量

  • Maxillary: 54 + 9 = 63
  • Mandibulary: 54 + 12 = 66

Aligner Wear time

  • 10d

保留

  • Maxillary: Hawley
  • Mandibular: Hawley

Results achieved

  •  保持安氏 I 类关系
  •  两侧的功能性尖牙引导
  • 实现正常覆盖和覆牙合
  • 中线对齐
  • 切牙达到合适的轴向倾斜
  • Curve of Spee leveled
  • 已对齐并协调牙弓
  • 已获得美观的微笑线  
  • 已实现所有治疗目标

评论

  • This is a four first premolars extraction case that needed maximum anchorage in the upper arch.
  •  G6 was used in the upper arch and obtained satisfactory results.
  • Overcorrection was used to counter the pendulum effect during the retraction of anterior teeth.

Images

Initial and final

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进展

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初始状态治疗后
Before picture of treatment
After picture of treatment
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X光片

初始状态 治疗后
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