Class II div 1
,
Increased overjet
,
Deep bite
,
Midline shift

Mandibular advancement
,
Expansion
,
Elastics: Class II in Additional Aligners
,
Elastics: vertical
Courtesy of Dr Y. Zhou, 2021
Before picture of treatment

Treatment Summary

Patient Information

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

Total Treatment Time

  • 22 months

Number of aligners

  • Maxillary: 30 + 21 = 51
  • Mandibulary: 30 + 21 = 51

Aligner Wear time

  • 10 days

Retention

  • Maxillary: Hawley
  • Mandibular: Hawley

Results achieved

  • Class I relationship achieved
  • Functional canine guidance on both sides
  • NormalĀ  overjet and overbite achieved
  • Deepbite improved
  • Significant improvement of overjet
  • Midlines coincident

Comments

This is a girl with mandibular retrusion. So we use MA to help the mandibular move forward in 10 month. Only one jump was used in MA phase. Then we use ClassII elastic to keep the result in additional aligners.

Images

Initial and final

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upper
lower
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front
left
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upper
lower
right
front
left

Progress

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lower
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front
left
InitialFinal
Before picture of treatment
After picture of treatment
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Radiographs

Initial Final
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