Class II div 1
,
Anterior Crossbite
,
Narrow arches
,
Crowding

Distalization
,
Expansion
,
Elastics: Class II
,
Elastics: Class II in Additional Aligners
Courtesy of Dr. C. Wu  , 2023
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 8
  • Gender: female
  • Invisalign Submission Option: Invisalign First

Total Treatment Time

  • 18 개월

Number of aligners

  • Maxillary: 35 + 27 = 62
  • Mandibulary: 35 + 27 = 62

Aligner Wear time

  • 1주

Retention

  • Maxillary: Hawley
  • Mandibular: Hawley

Results achieved

  • Class I relationship achieved
  • Anterior crossbite corrected
  • Normal  overjet and overbite achieved
  • Significant improvement of overjet
  • Midlines coincident
  • Proper axial inclination of incisors
  • Arch form improved
  • All treatment goals were achieved case

코멘트

  • This is a class II div.1 case with arch narrowing, and lateral incisor block in case.
  • Expansion and distalization were key factors in this treatment.
  • Class II elastics were used when upper molar distalization was performed.
  • Through aligner treatment, upper arch distalization and expansion were achieved, and the lower arch was well-aligned as well.
  • At the end of treatment, class I relationship was achieved, anterior crossbite was corrected, and normal overjet and overbite were achieved.
  • Thanks to the aligner, upper molar distalization can be done with non-invasive therapy and is both easy and pain-free for the child.

Images

Initial and final

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upper
lower
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front
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lower
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front
left

진행

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upper
lower
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left
치료 전 초기최종
Before picture of treatment
After picture of treatment
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방사선 사진

치료 전 초기 최종
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