Class II div 1
,
Posterior crossbite
,
Anterior crossbite
,
Narrow arches
,
Asymmetric arches
,
Mandibular midline deviation
,
Midline shift
,
Crowding
,
Rotations

Distalization
,
Leveling curve of Spee
,
Extrusion
,
Intrusion
,
Expansion
,
Proclination
,
IPR
,
Elastics: Class II
Courtesy of Dr K. Fei Fong, 2021
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 26
  • Gender: female
  • Invisalign Treatment Option: Invisalign Comprehensive

Total Treatment Time

  • 21 months

Number of aligners

  • Maxillary: 39 + 10 + 9 = 58
  • Mandibulary: 46 + 10 + 9 = 65

Aligner Wear time

  • 1-week

Retention

  • Maxillary: Other clear
  • Mandibular: Other clear

Results achieved

  • Class I relationship achieved
  • Functional canine guidance on both sides
  • Anterior crossbite corrected
  • Posterior crossbite corrected
  • Normal  overjet and overbite achieved
  • 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. This an orthodontic retreatment case, patient wanted to align her relapsed teeth.
2. Upper arch sequential distalization was perform to achieve Class I molar and canine relationship, also improved interdigitation of upper and lower arch teeth.
3. Class II elastics was used to provide anchorage for upper arch distalization.
4. Upper arch expansion to correct posterior cross bite and narrow arch problem.
5. Patient got a new full smile after treatment, as the arch form are broader.

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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