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 Treatment 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

Click to compare enlarged
upper
lower
right
front
left
Click to compare enlarged
upper
lower
right
front
left
InitialFinal
Before picture of treatment
After picture of treatment
Thumbnail, click to compare enlarged Thumbnail, click to compare enlarged
Thumbnail, click to compare enlarged Thumbnail, click to compare enlarged
Thumbnail, click to compare enlarged Thumbnail, click to compare enlarged
Thumbnail, click to compare enlarged Thumbnail, click to compare enlarged
Thumbnail, click to compare enlarged Thumbnail, click to compare enlarged

Radiographs

Initial Final
Click to compare enlarged316
Click to compare enlarged310