安氏 II 类 2 分类
,
后牙反牙合
,
深覆盖
,
 下颌后缩
,
Deep bite
,
牙弓狭窄
,
牙列拥挤

下颌前导功能
,
远中移动
,
 平整 Spee 曲线
,
压低
,
扩弓
,
内收
,
弹性牵引:安氏 II 类
Courtesy of Dr T. Xu, 2021
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 14
  • Gender: male
  • Invisalign Treatment Option: Invisalign Teen with MA

Total Treatment Time

  • 36 months

矫治器数量

  • Maxillary: 42 + 14 + 44 = 100
  • Mandibulary: 42 + 14 + 20 = 76

Aligner Wear time

  • 10 天

保留

  • Maxillary: Fixed/Bonded
  • Mandibular: Fixed/Bonded

Results achieved

  • 达到安氏 I 类关系
  •  两侧的功能性尖牙引导
  • 后牙反牙合已矫正
  • 实现正常覆盖和覆牙合
  •  显著改善覆牙合
  •  显著改善覆盖
  • 中线对齐
  • 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

  •  Pre -MA stage: Align upper and lower teeth via expansion; Interactive elastics to correct second molars crossbite; lower incisors proclined to improve anterior deep bite.
  • MA stage: Mandibular advancement with class II elastics 4.5oz 3/4.
  • Sequential distalize upper molars to retract upper incisors;
    Improve deep bite: Lingual roots torque upper and lower incisors first, then sequential intrude upper and lower anterior; extrude lower premolars
  • Upper and lower fixed and Hawley's retainers for double retention

Images

Initial and final

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upper
lower
right
front
left
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upper
lower
right
front
left

进展

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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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