安氏 II 类 2 分类

下颌前导功能
,
Pre Mandibular advancement phase
,
Elastics: Class II in Additional Aligners
Courtesy of Dr K. Kalra, 2022
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 12
  • Gender: female
  • Invisalign Submission Option: Invisalign Teen

Total Treatment Time

  • 26 months

矫治器数量

  • Maxillary: 64 + 22 + 9 = 95
  • Mandibulary: 64 + 22 + 9 = 95

Aligner Wear time

  • 1 周

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

评论

  • Patient visited the clinic with the main concern irregular front teeth. On examination patient had a orthognathic maxilla and a retrognathic mandible, patient had half cusp class II molar relation on both sides, deep bite and retroclined upper right central incisor, restricting the growth of mandible.
  • 1st set of aligners consisted of prefunctional alignement to gain overjet- followed by progressive mandibular advancement.
  • After 1st set of aligner, overjet and molar correction was achieved and 3 point contact in anterior and molars was achieved.
  • 1st refinement was focused on midline correction and bite settling to allow posterior eruption. at the end of 1st refinement, midlines were corrected and some posterior eruption achieved. In 2nd refinement bite settling was done

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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