安氏 III 类
,
后牙反牙合
,
前牙反牙合
,
Open bite
,
牙弓不对称
,
上颌中线偏移
,
下颌中线偏移
,
中线移位
,
扭转
,
牙列间隙
,
齿隙

远中移动
,
近中移动
,
 平整 Spee 曲线
,
伸长
,
压低
,
扩弓
,
内收
,
唇倾
,
邻面去釉
,
间隙闭合
,
术前
,
弹性牵引:安氏 II 类
,
弹性牵引:安氏 III 类
Courtesy of Dr. B. Wang, 2021
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 20
  • Gender: male
  • Invisalign Treatment Option: Invisalign Full

Total Treatment Time

  • 19个月

矫治器数量

  • Maxillary: 39 + 16 = 55
  • Mandibulary: 39 + 16 = 55

Aligner Wear time

  • 1 周

保留

  • Maxillary: Hawley
  • Mandibular: Hawley

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
  • 实现正常覆盖和覆牙合
  •  显著改善覆盖
  • 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
  • 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-surgical orthodontic treatment, upper and lower dental arch shape coordination, retract upper anterior teeth for sagittal decompensation with existed spacing and upper posterior teeth distalization.
  • Crown labial torque combined with root lingual torque was used for lower anterior teeth for sagittal decompensation with the help of power ridge design in order to prevent gingival recession, fenestration, and dehiscence during orthodontic treatment.
  • IPR was carried out to correct Bolton discrepancy in the upper and lower anterior region, lower premolar extrusion combined with anterior teeth intrusion to help level Curve of Spee, move the upper dental midline to coincide with facial midline, and move the lower dental midline to coincide with the middle of the mandible, impacted 8s were all extracted before pre-surgical orthodontics
  • Le fort I osteotomy was carried out for maxilla advancement, Bilateral sagittal split osteotomy was carried out for mandible setback and derotation.
  • Post-surgical orthodontic treatment for stabilizing maxilla, mandible relationship, and position as well as detailing the final occlusions.

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
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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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