Class II div 2
,
Posterior crossbite
,
Deep bite
,
Mandibular midline deviation
,
Midline shift
,
Crowding

Mesialization
,
Leveling Curve of Spee
,
Proclination
,
First premolar extraction
,
Elastics: Class II
,
Extraction
Courtesy of Dr X. Zhang, 2022
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 13
  • Gender: female
  • Invisalign Submission Option: Invisalign Comprehensive

Total Treatment Time

  • 24 months

Number of aligners

  • Maxillary: 64 + 23 + 7 = 94
  • Mandibulary: 64 + 23 + 7 = 94

Aligner Wear time

  • 10 days

Retention

  • Maxillary: Other clear
  • Mandibular: Other clear

Results achieved

  • Class I relationship achieved
  • Functional canine guidance on both sides
  • Posterior crossbite corrected
  • Normal  overjet and overbite achieved
  • Significant improvement of overbite
  • Midlines coincident
  • Proper axial inclination of incisors
  • Curve of Spee leveled
  • Aesthetic smile line was achieved 
  • All treatment goals were achieved case

Comments

  • The most difficult part was the leveling of the curve of Spee.
  • I put the rectangular attachments on the posterior teeth and made the inclination of anterior teeth before the intrusion.

Images

Initial and final

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upper
lower
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front
left
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lower
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front
left

Progress

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InitialFinal
Before picture of treatment
After picture of treatment
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Radiographs

Initial Final
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