安氏 II 类 1 分类
,
后牙反牙合
,
牙弓狭窄
,
牙弓不对称
,
下颌中线偏移
,
牙列拥挤
,
扭转

 平整 Spee 曲线
,
扩弓
,
拔除下颌切牙
,
其他拔牙
,
邻面去釉
,
弹性牵引:垂直面
Courtesy of Dr D. She, 2021
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 27
  • Gender: female
  • Invisalign Submission Option: Invisalign Full

Total Treatment Time

  • 25 months

矫治器数量

  • Maxillary: 49 + 28 + 12 = 89
  • Mandibulary: 49 + 16 + 10 = 75

Aligner Wear time

  • 1 周

保留

  • Maxillary: Vivera retainer
  • Mandibular: Vivera retainer

Results achieved

  • 达到安氏 I 类关系
  •  两侧的功能性尖牙引导
  • 实现正常覆盖和覆牙合
  • 切牙达到合适的轴向倾斜
  • Curve of Spee leveled
  • 已对齐并协调牙弓
  • 通过去扭转对齐上下牙弓
  • 已改善牙弓形状
  • 已获得美观的微笑线  
  • 已实现所有治疗目标
  • 实现牙弓协调

评论

  • Aligned teeth after treatment
  • Achieved class I molar and canine relationship by upper posteriors distalization
  • Used large amount of IPRs in upper anteriors to coordinate the Bolton ratio of the anterior teeth
  • No anchorage screws or brackets were used during the treatment
  • Used vertical traction to extrude 18、28 to replaced 17、27 and achieved normal occlusion
  • The course of treatment was 25 months

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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