安氏 II 类 1 分类
,
 下颌后缩
,
Deep bite
,
牙弓狭窄
,
上颌中线偏移
,
下颌中线偏移
,
中线移位
,
牙列拥挤
,
扭转

下颌前导功能
,
Pre Mandibular Advancement Phase
,
Leveling curve of Spee
,
压低
,
扩弓
,
唇倾
Courtesy of Dr W. Chi Chiu, 2020
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 12
  • Gender: male
  • Invisalign Treatment Option: Invisalign Teen with MA

Total Treatment Time

  • 19个月

矫治器数量

  • Maxillary: 35 + 28 = 63
  • Mandibulary: 35 + 28 = 63

Aligner Wear time

  • 1 week

保留

  • Maxillary: Other clear
  • Mandibular: Other clear

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
  •  深覆牙合已改善
  •  覆盖已改善
  •  显著改善覆牙合
  •  显著改善覆盖
  • 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  
  • 实现牙弓协调

评论

  • Expansion was performed to level and align the arches
  • Created space for eruption of impacted #25 to provide good posterior support for the use of MA advancement feature.
  • Class II malocclusion, the severe deep-bite, and the large overjet were corrected with the the advancement feature
  • Alleviation of residual crowding and improvement of the arch form were achieved.

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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