安氏 I 类
,
后牙反牙合
,
前牙反牙合
,
深覆盖
,
Deep bite
,
牙弓狭窄
,
牙弓不对称
,
中线移位
,
牙列拥挤

 平整 Spee 曲线
,
压低
,
扩弓
,
内收
,
First premolar extraction
,
邻面去釉
,
弹性牵引:安氏 II 类
,
拔牙
Courtesy of Dr Q. Chen, 2021
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 16
  • Gender: male
  • Invisalign Treatment Option: Invisalign Teen

Total Treatment Time

  • 22개월

矫治器数量

  • Maxillary: 52 + 38 + 32 = 122
  • Mandibulary: 52 + 38 + 32 = 122

Aligner Wear time

  • 1 周

保留

  • Maxillary: Hawley
  • Mandibular: Hawley

Results achieved

  • 达到安氏 I 类关系
  • 后牙反牙合已矫正
  • 实现正常覆盖和覆牙合
  •  深覆牙合已改善
  •  覆盖已改善
  • 中线对齐
  • Curve of Spee leveled
  • 已对齐并协调牙弓
  • 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

  • Because this was a teenager case with short dental crown, we used modified G6 attachment system to close the extraction space and the result was great.
  • 5mm over-jet and 5mm over-bite were fully corrected.
  • One week change of aligner was available for cooperative teenager.
  • Class II elastics was necessary as the anchorage of upper molar was weaker than the anchorage of lower.

Images

Initial and final

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upper
lower
right
front
left
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upper
lower
right
front
left
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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