Class II div 2
,
Increased overjet
,
Mandibular retrognathia
,
Narrow arches
,
Maxillary midline deviation
,
Midline shift
,
Crowding
,
Rotations

Distalization
,
Extrusion
,
Intrusion
,
Expansion
,
IPR
,
Elastics: Class II
,
Elastics: vertical
Courtesy of Dr W. ting Lin, 2021
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 21
  • Gender: female
  • Invisalign Treatment Option: Invisalign Comprehensive

Total Treatment Time

  • 22 months

Number of aligners

  • Maxillary: 40 + 12 + 7 = 59
  • Mandibulary: 40 + 11 + 7 = 58

Aligner Wear time

  • start with 2 week and then speed up to 1 week aligner change frequentcy

Retention

  • Maxillary: Other clear
  • Mandibular: Other clear

Results achieved

  • Class I relationship achieved
  • Functional canine guidance on both sides
  • Normal  overjet and overbite achieved
  • Significant improvement of overbite
  • Significant improvement of overjet
  • Midlines coincident
  • Alignment of both arches through derotation
  • Arch form improved
  • All treatment goals were achieved case

Comments

  • Non-extraction treatment
  • Upper arches expansion
  • Upper arch sequential distalization
  • Cl II elastics
  • Posterior tooth intrusion and a new bite jump to close the anterior open bite
  • Mild IPR

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

Initial Final
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