Class III
,
Posterior crossbite
,
Anterior crossbite
,
Open bite
,
Narrow arches
,
Asymmetric arches
,
Mandibular midline deviation
,
Midline shift
,
Crowding
,
Rotations

Distalization
,
Leveling curve of Spee
,
Intrusion
,
Expansion
,
Retraction
,
IPR
,
Overtreatment
Courtesy of Dr W. Chi Chiu, 2020
Before picture of treatment

Treatment Summary

Patient Information

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

Number of aligners

  • Maxillary: 94 + 35 + 6 = 135
  • Mandibulary: 94 + 35 + 6 = 135

Aligner Wear time

  • 12 days

Retention

  • Maxillary: Other clear
  • Mandibular: Other clear

Results achieved

  • Class I relationship achieved
  • Functional canine guidance on both sides
  • Anterior crossbite corrected
  • Posterior crossbite corrected
  • Normal  overjet and overbite achieved
  • Overjet improved
  • Significant improvement of overjet
  • Midlines coincident
  • Proper axial inclination of incisors
  • Curve of Spee leveled
  • Arches aligned and coordinated
  • Arch form improved
  • Aesthetic smile line was achieved 
  • All treatment goals were achieved case
  • Harmonic arches were achieved

Comments

  • Upper expansion was used to relieve crowding and improve arch form.
  • Segmental distalization was performed on the lower arch to correct Class III malocclusion and to establish normal overjet and overbite.
  • Intrusion over UL and LL anteriors was used to correct occlusal plane canting and to correct the functional shift to the left.
  • Facial asymmetry was corrected with the correction of midline deviation and functional shift.

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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