Class II div 1
,
Increased overjet
,
Open bite
,
Narrow arches
,
Asymmetric arches
,
Maxillary midline deviation
,
Mandibular midline deviation
,
Midline shift
,
Spacing
,
Diastema

Distalization
,
Extrusion
,
Intrusion
,
Expansion
,
Retraction
,
Elastics: Class II
,
Elastics: vertical
Courtesy of Dr J. Tsai, 2023
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 16
  • Gender: male
  • Invisalign Submission Option: Invisalign Comprehensive

Total Treatment Time

  • 24 months

Number of aligners

  • Maxillary: 43 + 12 + 11 = 66
  • Mandibulary: 30 + 7 + 11 = 48

Aligner Wear time

  • 1-week

Retention

  • Maxillary: Other clear
  • Mandibular: Other clear

Results achieved

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

  • Patient presented with a Class II malocclusion, open bite, and low MPA.
  • Bilateral sequential distalization was planned: 3.1 mm for left side and 4.1 mm for right side were prescribed.
  • Class I molar/ canine were achieved with Class II elastics.
  • Class II molar correction using sequential distalization protocol is very predictable with Invisalign treatment.

Images

Initial and final

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upper
lower
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front
left
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upper
lower
right
front
left

Progress

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lower
right
front
left
InitialFinal
Before picture of treatment
After picture of treatment
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Radiographs

Initial Final
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