Class II div 1
,
Deep bite
,
Narrow arches
,
Asymmetric arches
,
Crowding
,
Rotations

Distalization
,
Leveling curve of Spee
,
Extrusion
,
Intrusion
,
Expansion
,
Other extraction
,
IPR
,
Elastics: Class II
Courtesy of Dr K. Fei Fong, 2020
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 19
  • Gender: female
  • Invisalign Treatment Option: Invisalign Comprehensive

Total Treatment Time

  • 13 months

Number of aligners

  • Maxillary: 38 + 10 = 48
  • Mandibulary: 38 + 10 = 48

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
  • Proper axial inclination of incisors
  • 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

1. Patient's compliance was great.
2. Upper sequential distalization was perform by using align default distalization protocol.
3. 11 rotation was a challenging movement in this case.
4. Posterior bite is very good after aligner treatment, and anterior teeth rotation was solved by pure aligner treatment.
5. COVID-19 affect us so much, but aligner patient still can continue their treatment at home and finish with beautiful smile.
6. Fix retention was applied to prevent 11 rotation relapse.

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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