Class I
,
Increased overjet
,
Narrow arches
,
Crowding
,
Rotations
,
Spacing

Expansion
,
Retraction
,
Space Closure
Courtesy of Dr Q. Chen, 2022
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 7
  • Gender: female
  • Invisalign Submission Option: Invisalign First

Total Treatment Time

  • 12 months

Number of aligners

  • Maxillary: 20 + 14 + 14 = 48
  • Mandibulary: 20 + 10 + 10 = 40

Aligner Wear time

  • 1-week

Retention

  • Maxillary: Hawley
  • Mandibular: Hawley

Results achieved

  • Class I relationship maintained
  • Normal  overjet and overbite achieved
  • Midlines coincident
  • Proper axial inclination of incisors
  • Arches aligned and coordinated
  • Arch form improved
  • Aesthetic smile line was achieved 
  • All treatment goals were achieved case
  • Harmonic arches were achieved

Comments

  • Invisalign treatment is good for arch expansion in mixed dentition stage.
  • Normal overjet and overbite relationships were achieved.
  • The upper and lower midlines were both adjusted.
  • The upper and lower arches were expanded by 2.5mm per side at the posterior and canine areas.
  • The lip posture was much better after correction of diastema of upper front teeth.

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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