Class III
,
Anterior crossbite
,
Narrow arches
,
Crowding

Distalization
,
Leveling Curve of Spee
,
Intrusion
,
Expansion
,
Retraction
,
Proclination
,
Space Closure
,
TADs
,
Elastics: Class III
,
Elastics: vertical
,
Extraction
Courtesy of Dr J. Chun Hao Lin, 2022
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 18
  • Gender: male
  • Invisalign Submission Option: Invisalign Comprehensive

Total Treatment Time

  • 32 months

Number of aligners

  • Maxillary: 80 + 31 = 111
  • Mandibulary: 80 + 31 = 111

Aligner Wear time

  • 1-week

Retention

  • Maxillary: Other clear
  • Mandibular: Other clear

Results achieved

  • Class I relationship achieved
  • Functional canine guidance on both sides
  • Anterior crossbite corrected
  • Normal  overjet and overbite achieved
  • Overjet improved
  • Significant improvement of overbite
  • Significant improvement of overjet
  • 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

  • By using sequential distalization to retract posterior teeth, we created space for alignment to correct the crossbite.
  • Intruded lower anterior teeth before crossbite correction to prevent interferences.
  • After crossbite correction, we extruded upper anterior teeth to re-build a better smile arc.

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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