Class I
,
Class II div 1
,
Increased overjet
,
Narrow arches
,
Asymmetric arches
,
Maxillary midline deviation
,
Mandibular midline deviation
,
Midline shift
,
Crowding
,
Rotations
,
Pre-restorative

Distalization
,
Leveling Curve of Spee
,
Extrusion
,
Intrusion
,
Expansion
,
Retraction
,
Other extraction
,
IPR
,
Restorative
,
Overtreatment
,
Extraction
Courtesy of Dr W. Chi Chiu, 2021
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 29
  • Gender: female
  • Invisalign Treatment Option: Invisalign Full

Total Treatment Time

  • 20 months

Number of aligners

  • Maxillary: 49 + 39 = 88
  • Mandibulary: 49 + 39 = 88

Aligner Wear time

  • 1-week

Retention

  • Maxillary: Vivera retainer
  • Mandibular: Vivera retainer

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
  • 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

  • After 17 and 27 extractions, segmental distalization was performed over UR to correct Class II relationship, adjust midline deviation, and reduce the large overjet.
  • After 18 and 28 eruption, additional aligners were used to level and align the teeth.
  • Expansion and flattening of the CoS was used to make space and level the arches on the lower arch.

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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