Class II div 1
,
Posterior crossbite
,
Narrow arches
,
Asymmetric arches
,
Crowding
,
Pre-restorative

Distalization
,
Expansion
,
IPR
,
Elastics: Class II in Additional Aligners
Courtesy of Dr Q. Wang, 2019
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 28
  • Gender: male
  • Invisalign Treatment Option: Invisalign Full

Total Treatment Time

  • 17 months

Number of aligners

  • Maxillary: 16 + 43 = 59
  • Mandibulary: 16 + 43 = 59

Aligner Wear time

  • 7-10days

Results achieved

  • Class I relationship achieved
  • Functional canine guidance on both sides
  • Posterior crossbite corrected
  • Normal overjet and overbite achieved
  • Overjet improved
  • Midlines coincident
  • Proper axial inclination of incisors
  • Curve of Spee leveled
  • Arches aligned and coordinated
  • Arch form improved
  • Aesthetic smile linewas achieved
  • All treatment goals were achieved case
  • Harmonic arches were achieved

Comments

  • 17、47 cross-elastics were used to correct the crossbite
  • I also used Class II elastic, arch expansion, upper molar distalization, lower molar mesialization and IPR
  • Class I molar , canine relationship and midlines coincident were achieved.

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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