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.
  • We used MA to help the mandibular move forward in 10 months. Only one jump was used in MA phase.
  • Finally, we used Class II elastic to keep the results in additional aligners.

Images

Initial and final

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upper
lower
right
front
left
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upper
lower
right
front
left

Progress

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

Initial Final
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