Class I
,
Class II div 1
,
Posterior crossbite
,
Narrow arches
,
Asymmetric arches
,
Mandibular midline deviation
,
Midline shift
,
Impacted canines

Distalization
,
Leveling Curve of Spee
,
Intrusion
,
Expansion
,
Retraction
,
IPR
,
Elastics: Class II
,
Elastics: Class III
Courtesy of Dr Q. Chen, 2023
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 15
  • Gender: female
  • Invisalign Submission Option: Invisalign Teen

Total Treatment Time

  • 14 months

Number of aligners

  • Maxillary: 24 + 12 + 13 = 49
  • Mandibulary: 37 + 15 + 16 = 68

Aligner Wear time

  • 1-week

Retention

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

Results achieved

  • Class I relationship achieved
  • Functional canine guidance on both sides
  • Posterior crossbite corrected
  • Normal  overjet and overbite achieved
  • Midlines coincident
  • Curve of Spee leveled
  • Arch form improved
  • Aesthetic smile line was achieved 
  • All treatment goals were achieved case
  • Harmonic arches were achieved

Comments

  • Invisalign works well in molar distalization and locked bite correction.
  • The upper molars were distally moved by 2mm.
  • 13 was fully corrected by aligner.
  • Class II elastics were used to enhance maxillary anchorage and correct molar relationship.
  • Upper and lower mid-lines were both adjusted.
  • All teeth were aligned without labial movement by IPR.
  • Molar and canine relationships were both adjusted.
  • Patient and parent were pleased with the treatment outcome and short treatment time.

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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