Class II div 1
,
Deep bite
,
Narrow arches
,
Spacing

Distalization
,
Expansion
,
Space Closure
,
Elastics
Courtesy of Dr W. ting Lin, 2022
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 9
  • Gender: female
  • Invisalign Submission Option: Invisalign First

Total Treatment Time

  • 9 months

Number of aligners

  • Maxillary: 31 + 11 = 42
  • Mandibulary: 31 + 18 = 49

Aligner Wear time

  • 1-week

Retention

  • Maxillary: Other Clear
  • Mandibular: Other Clear

Results achieved

  • Aesthetic smile line was achieved
  • Alignment of both arches through derotation
  • Arch expansion achieved
  • Arch form improved
  • Arches aligned and coordinated
  • Class I relationship achieved
  • Curve of Spee leveled
  • Functional overjet and overbite
  • Harmonic arches were achieved
  • Midlines coincident

Comments

  • This patient still had growth potential, so non extraction combined arch expansion wass enough for upper anterior tooth retraction.
  • Good Cl I Occlusion with acceptable OJ and OB also achieved via Cl II elastics Bite jump.

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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