Class III
,
Anterior crossbite
,
Deep bite
,
Asymmetric arches
,
Mandibular midline deviation
,
Crowding

Leveling Curve of Spee
,
Intrusion
,
Expansion
,
Retraction
,
IPR
Courtesy of Dr Q. Chen, 2024
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 25
  • Gender: female
  • Invisalign Submission Option: Invisalign Comprehensive

Total Treatment Time

  • 16 months

Number of aligners

  • Maxillary: 22 + 22 = 44
  • Mandibulary: 34 + 35 = 69

Aligner Wear time

  • 1-week

Retention

  • Maxillary: Fixed/Bonded
  • Mandibular: Fixed/Bonded

Results achieved

  • Class I relationship achieved
  • Functional canine guidance on both sides
  • Normal  overjet and overbite achieved
  • Deepbite improved
  • Overjet improved
  • Significant improvement of overbite
  • Significant improvement of overjet
  • Midlines coincident
  • Arch form improved
  • Aesthetic smile line was achieved 
  • All treatment goals were achieved case

Comments

  • Invisalign works well for crossbite cases.
  • Angulation of all anterior teeth was corrected.
  • The mid-line shift was corrected after the crossbite correction and mandible reposition.
  • Class III elastics were used to correct crossbite and help retract lower incisors.
  • The upper and lower arches were expanded by 1.5mm per side (posterior).
  • Molar and canine relationships were both adjusted.
  • The patient was happy with the short treatment time and outcome.

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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