安氏 III 类
,
前牙反牙合
,
Open bite
,
牙弓狭窄
,
下颌中线偏移
,
牙列拥挤
,
扭转

弹性牵引:安氏 III 类
,
 平整 Spee 曲线
,
伸长
,
压低
,
扩弓
,
内收
,
唇倾
,
邻面去釉
Courtesy of Dr K. Sung Chung, 2019
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 41
  • Gender: female
  • Invisalign Treatment Option: Invisalign Lite

Total Treatment Time

  • 8个月

矫治器数量

  • Maxillary: 14 + 14 = 28
  • Mandibulary: 14 + 14 = 28

Aligner Wear time

  • Initial set of aligners changed at 2 weeks interval for 1 month, then changed at 7 days interval after corticotomy was done until the end of treatment

Results achieved

  • 达到安氏 I 类关系
  •  两侧的功能性尖牙引导
  •  前牙反牙合已矫正
  • 后牙反牙合已矫正
  • Normal overjet and overbite achieved
  • 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
  • 通过去扭转对齐上下牙弓
  • 已改善牙弓形状
  • 实现牙弓协调

评论

  • Anterior cross bites was corrected by retroclination of lower incisors and proclination of upper lateral incisors
  • Crowding was resolved with expansion and IPR
  • Class III relationship was corrected with Class III elastics to a Class I relationship
  • Over bite was improved by extrusion of incisors
  • Bolton Excess in lower arch was improved by performing IPR.
  • Corticotomy was performed using piezotome between premolars to premolars in both arches.
  • Aligners changed at weekly interval after corticotomy was done

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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