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 Submission 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

  • This an orthodontic retreatment case, as the patient's request was to align her relapsed teeth.
  •  Upper arch sequential distalization was performed to achieve Class I molar and canine relationship, also improved interdigitation of upper and lower arch teeth.
  •  Class II elastics were used to provide anchorage for upper arch distalization.
  •  Upper arch expansion to correct posterior crossbite and narrow arch problem.
  • Patient got a new full smile after treatment, as the arch form is broader.

Images

Initial and final

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upper
lower
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front
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upper
lower
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front
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Progress

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

Initial Final
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