Class II div 1
,
Narrow arches
,
Maxillary midline deviation
,
Midline shift
,
Crowding

Distalization
,
Expansion
,
Other extraction
,
Elastics: Class II
Courtesy of Dr S. Tsai, 2022
Before picture of treatment

Treatment Summary

Patient Information

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

Total Treatment Time

  • 11 months

Number of aligners

  • Maxillary: 36
  • Mandibulary: 32

Aligner Wear time

  • 1-week

Retention

  • Maxillary: Hawley
  • Mandibular: Hawley

Results achieved

  • Class I relationship achieved
  • Deepbite improved
  • Midlines coincident
  • Proper axial inclination of incisors
  • Curve of Spee leveled
  • Arches aligned and coordinated
  • Alignment of both arches through derotation
  • Arch form improved
  • Aesthetic smile line¬†was achieved¬†
  • All treatment goals were achieved case
  • Harmonic arches were achieved

Comments

  • In this teen case, simultaneous distalization with arch expansion was prescribed.
  • With early use of 4-6 oz elastics, class I canine/molar relationship was achieved in 11 months.
  • Smartforce features contributed well to root parallelism.
  • No additional aligners were prescribed after the first set of 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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