Class II div 1
,
Posterior crossbite
,
Narrow arches
,
Asymmetric arches
,
Midline shift
,
Crowding
,
Rotations
,
Spacing

Distalization
,
Leveling Curve of Spee
,
Expansion
,
IPR
,
Space Closure
,
Elastics: Class II
Courtesy of Dr Q. Chen, 2021
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 26
  • Gender: female
  • Invisalign Submission Option: Invisalign Full

Total Treatment Time

  • 22 months

Number of aligners

  • Maxillary: 62 + 16 + 18 = 96
  • Mandibulary: 42 + 9 + 18 = 69

Aligner Wear time

  • 1-week

Retention

  • Maxillary: Hawley
  • Mandibular: Hawley

Results achieved

  • Class I relationship achieved
  • Functional canine guidance on both sides
  • Posterior crossbite corrected
  • Midlines coincident
  • Curve of Spee leveled
  • Arch form improved
  • Aesthetic smile line was achieved 
  • All treatment goals were achieved case
  • Harmonic arches were achieved

Comments

  • Upper and lower severe crowding was corrected by arch expansion, molar distalization and IPR.
  • 90 degrees distally rotation of 22 was fully corrected in the first phase of aligner.
  • lockedbite of 17 and 27 was corrected in the first phase of treatment and the final occlusion was satisfied.
  • The patient's cooperation was necessary for high efficiency treatment and good final outcome.

Images

Initial and final

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upper
lower
right
front
left
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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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